diff --git a/.kokoro/samples/python3.6/periodic-head.cfg b/.kokoro/samples/python3.6/periodic-head.cfg
new file mode 100644
index 000000000..f9cfcd33e
--- /dev/null
+++ b/.kokoro/samples/python3.6/periodic-head.cfg
@@ -0,0 +1,11 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+env_vars: {
+    key: "INSTALL_LIBRARY_FROM_SOURCE"
+    value: "True"
+}
+
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/python-pubsub/.kokoro/test-samples-against-head.sh"
+}
diff --git a/.kokoro/samples/python3.7/periodic-head.cfg b/.kokoro/samples/python3.7/periodic-head.cfg
new file mode 100644
index 000000000..f9cfcd33e
--- /dev/null
+++ b/.kokoro/samples/python3.7/periodic-head.cfg
@@ -0,0 +1,11 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+env_vars: {
+    key: "INSTALL_LIBRARY_FROM_SOURCE"
+    value: "True"
+}
+
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/python-pubsub/.kokoro/test-samples-against-head.sh"
+}
diff --git a/.kokoro/samples/python3.8/periodic-head.cfg b/.kokoro/samples/python3.8/periodic-head.cfg
new file mode 100644
index 000000000..f9cfcd33e
--- /dev/null
+++ b/.kokoro/samples/python3.8/periodic-head.cfg
@@ -0,0 +1,11 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+env_vars: {
+    key: "INSTALL_LIBRARY_FROM_SOURCE"
+    value: "True"
+}
+
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/python-pubsub/.kokoro/test-samples-against-head.sh"
+}
diff --git a/.kokoro/test-samples-against-head.sh b/.kokoro/test-samples-against-head.sh
new file mode 100755
index 000000000..fd9f81e69
--- /dev/null
+++ b/.kokoro/test-samples-against-head.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# A customized test runner for samples.
+#
+# For periodic builds, you can specify this file for testing against head.
+
+# `-e` enables the script to automatically fail when a command fails
+# `-o pipefail` sets the exit code to the rightmost comment to exit with a non-zero
+set -eo pipefail
+# Enables `**` to include files nested inside sub-folders
+shopt -s globstar
+
+cd github/python-compute
+
+exec .kokoro/test-samples-impl.sh
diff --git a/.kokoro/test-samples-impl.sh b/.kokoro/test-samples-impl.sh
new file mode 100755
index 000000000..cf5de74c1
--- /dev/null
+++ b/.kokoro/test-samples-impl.sh
@@ -0,0 +1,102 @@
+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+# `-e` enables the script to automatically fail when a command fails
+# `-o pipefail` sets the exit code to the rightmost comment to exit with a non-zero
+set -eo pipefail
+# Enables `**` to include files nested inside sub-folders
+shopt -s globstar
+
+# Exit early if samples directory doesn't exist
+if [ ! -d "./samples" ]; then
+  echo "No tests run. `./samples` not found"
+  exit 0
+fi
+
+# Disable buffering, so that the logs stream through.
+export PYTHONUNBUFFERED=1
+
+# Debug: show build environment
+env | grep KOKORO
+
+# Install nox
+python3.6 -m pip install --upgrade --quiet nox
+
+# Use secrets acessor service account to get secrets
+if [[ -f "${KOKORO_GFILE_DIR}/secrets_viewer_service_account.json" ]]; then
+    gcloud auth activate-service-account \
+	   --key-file="${KOKORO_GFILE_DIR}/secrets_viewer_service_account.json" \
+	   --project="cloud-devrel-kokoro-resources"
+fi
+
+# This script will create 3 files:
+# - testing/test-env.sh
+# - testing/service-account.json
+# - testing/client-secrets.json
+./scripts/decrypt-secrets.sh
+
+source ./testing/test-env.sh
+export GOOGLE_APPLICATION_CREDENTIALS=$(pwd)/testing/service-account.json
+
+# For cloud-run session, we activate the service account for gcloud sdk.
+gcloud auth activate-service-account \
+       --key-file "${GOOGLE_APPLICATION_CREDENTIALS}"
+
+export GOOGLE_CLIENT_SECRETS=$(pwd)/testing/client-secrets.json
+
+echo -e "\n******************** TESTING PROJECTS ********************"
+
+# Switch to 'fail at end' to allow all tests to complete before exiting.
+set +e
+# Use RTN to return a non-zero value if the test fails.
+RTN=0
+ROOT=$(pwd)
+# Find all requirements.txt in the samples directory (may break on whitespace).
+for file in samples/**/requirements.txt; do
+    cd "$ROOT"
+    # Navigate to the project folder.
+    file=$(dirname "$file")
+    cd "$file"
+
+    echo "------------------------------------------------------------"
+    echo "- testing $file"
+    echo "------------------------------------------------------------"
+
+    # Use nox to execute the tests for the project.
+    python3.6 -m nox -s "$RUN_TESTS_SESSION"
+    EXIT=$?
+
+    # If this is a periodic build, send the test log to the FlakyBot.
+    # See https://github.com/googleapis/repo-automation-bots/tree/master/packages/flakybot.
+    if [[ $KOKORO_BUILD_ARTIFACTS_SUBDIR = *"periodic"* ]]; then
+      chmod +x $KOKORO_GFILE_DIR/linux_amd64/flakybot
+      $KOKORO_GFILE_DIR/linux_amd64/flakybot
+    fi
+
+    if [[ $EXIT -ne 0 ]]; then
+      RTN=1
+      echo -e "\n Testing failed: Nox returned a non-zero exit code. \n"
+    else
+      echo -e "\n Testing completed.\n"
+    fi
+
+done
+cd "$ROOT"
+
+# Workaround for Kokoro permissions issue: delete secrets
+rm testing/{test-env.sh,client-secrets.json,service-account.json}
+
+exit "$RTN"
diff --git a/.kokoro/test-samples.sh b/.kokoro/test-samples.sh
index 25f00b020..526ddd123 100755
--- a/.kokoro/test-samples.sh
+++ b/.kokoro/test-samples.sh
@@ -13,6 +13,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# The default test runner for samples.
+#
+# For periodic builds, we rewinds the repo to the latest release, and
+# run test-samples-impl.sh.
 
 # `-e` enables the script to automatically fail when a command fails
 # `-o pipefail` sets the exit code to the rightmost comment to exit with a non-zero
@@ -24,87 +28,19 @@ cd github/python-compute
 
 # Run periodic samples tests at latest release
 if [[ $KOKORO_BUILD_ARTIFACTS_SUBDIR = *"periodic"* ]]; then
+    # preserving the test runner implementation.
+    cp .kokoro/test-samples-impl.sh "${TMPDIR}/test-samples-impl.sh"
+    echo "--- IMPORTANT IMPORTANT IMPORTANT ---"
+    echo "Now we rewind the repo back to the latest release..."
     LATEST_RELEASE=$(git describe --abbrev=0 --tags)
     git checkout $LATEST_RELEASE
-fi
-
-# Exit early if samples directory doesn't exist
-if [ ! -d "./samples" ]; then
-  echo "No tests run. `./samples` not found"
-  exit 0
-fi
-
-# Disable buffering, so that the logs stream through.
-export PYTHONUNBUFFERED=1
-
-# Debug: show build environment
-env | grep KOKORO
-
-# Install nox
-python3.6 -m pip install --upgrade --quiet nox
-
-# Use secrets acessor service account to get secrets
-if [[ -f "${KOKORO_GFILE_DIR}/secrets_viewer_service_account.json" ]]; then
-    gcloud auth activate-service-account \
-	   --key-file="${KOKORO_GFILE_DIR}/secrets_viewer_service_account.json" \
-	   --project="cloud-devrel-kokoro-resources"
-fi
-
-# This script will create 3 files:
-# - testing/test-env.sh
-# - testing/service-account.json
-# - testing/client-secrets.json
-./scripts/decrypt-secrets.sh
-
-source ./testing/test-env.sh
-export GOOGLE_APPLICATION_CREDENTIALS=$(pwd)/testing/service-account.json
-
-# For cloud-run session, we activate the service account for gcloud sdk.
-gcloud auth activate-service-account \
-       --key-file "${GOOGLE_APPLICATION_CREDENTIALS}"
-
-export GOOGLE_CLIENT_SECRETS=$(pwd)/testing/client-secrets.json
-
-echo -e "\n******************** TESTING PROJECTS ********************"
-
-# Switch to 'fail at end' to allow all tests to complete before exiting.
-set +e
-# Use RTN to return a non-zero value if the test fails.
-RTN=0
-ROOT=$(pwd)
-# Find all requirements.txt in the samples directory (may break on whitespace).
-for file in samples/**/requirements.txt; do
-    cd "$ROOT"
-    # Navigate to the project folder.
-    file=$(dirname "$file")
-    cd "$file"
-
-    echo "------------------------------------------------------------"
-    echo "- testing $file"
-    echo "------------------------------------------------------------"
-
-    # Use nox to execute the tests for the project.
-    python3.6 -m nox -s "$RUN_TESTS_SESSION"
-    EXIT=$?
-
-    # If this is a periodic build, send the test log to the FlakyBot.
-    # See https://github.com/googleapis/repo-automation-bots/tree/master/packages/flakybot.
-    if [[ $KOKORO_BUILD_ARTIFACTS_SUBDIR = *"periodic"* ]]; then
-      chmod +x $KOKORO_GFILE_DIR/linux_amd64/flakybot
-      $KOKORO_GFILE_DIR/linux_amd64/flakybot
+    echo "The current head is: "
+    echo $(git rev-parse --verify HEAD)
+    echo "--- IMPORTANT IMPORTANT IMPORTANT ---"
+    # move back the test runner implementation if there's no file.
+    if [ ! -f .kokoro/test-samples-impl.sh ]; then
+	cp "${TMPDIR}/test-samples-impl.sh" .kokoro/test-samples-impl.sh
     fi
+fi
 
-    if [[ $EXIT -ne 0 ]]; then
-      RTN=1
-      echo -e "\n Testing failed: Nox returned a non-zero exit code. \n"
-    else
-      echo -e "\n Testing completed.\n"
-    fi
-
-done
-cd "$ROOT"
-
-# Workaround for Kokoro permissions issue: delete secrets
-rm testing/{test-env.sh,client-secrets.json,service-account.json}
-
-exit "$RTN"
+exec .kokoro/test-samples-impl.sh
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a9024b15d..32302e488 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -12,6 +12,6 @@ repos:
     hooks:
     - id: black
 -   repo: https://gitlab.com/pycqa/flake8
-    rev: 3.8.4
+    rev: 3.9.0
     hooks:
     - id: flake8
diff --git a/google/cloud/compute_v1/__init__.py b/google/cloud/compute_v1/__init__.py
index 6dc538398..9d541fb82 100644
--- a/google/cloud/compute_v1/__init__.py
+++ b/google/cloud/compute_v1/__init__.py
@@ -1152,7 +1152,6 @@
     "AcceleratorType",
     "AcceleratorTypeAggregatedList",
     "AcceleratorTypeList",
-    "AcceleratorTypesClient",
     "AcceleratorTypesScopedList",
     "Accelerators",
     "AccessConfig",
@@ -1497,6 +1496,7 @@
     "GlobalAddressesClient",
     "GlobalForwardingRulesClient",
     "GlobalNetworkEndpointGroupsAttachEndpointsRequest",
+    "GlobalNetworkEndpointGroupsClient",
     "GlobalNetworkEndpointGroupsDetachEndpointsRequest",
     "GlobalOperationsClient",
     "GlobalOrganizationOperationsClient",
@@ -2271,5 +2271,5 @@
     "ZoneSetLabelsRequest",
     "ZoneSetPolicyRequest",
     "ZonesClient",
-    "GlobalNetworkEndpointGroupsClient",
+    "AcceleratorTypesClient",
 )
diff --git a/noxfile.py b/noxfile.py
index 0ad24c69c..0f27c1ff8 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -18,6 +18,7 @@
 
 from __future__ import absolute_import
 import os
+import pathlib
 import shutil
 
 import nox
@@ -30,6 +31,8 @@
 SYSTEM_TEST_PYTHON_VERSIONS = ["3.8"]
 UNIT_TEST_PYTHON_VERSIONS = ["3.6", "3.7", "3.8", "3.9"]
 
+CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
+
 # 'docfx' is excluded since it only needs to run in 'docs-presubmit'
 nox.options.sessions = [
     "unit",
@@ -41,6 +44,9 @@
     "docs",
 ]
 
+# Error if a python version is missing
+nox.options.error_on_missing_interpreters = True
+
 
 @nox.session(python=DEFAULT_PYTHON_VERSION)
 def lint(session):
@@ -81,13 +87,15 @@ def lint_setup_py(session):
 
 def default(session):
     # Install all test dependencies, then install this package in-place.
-    session.install("asyncmock", "pytest-asyncio")
 
-    session.install(
-        "mock", "pytest", "pytest-cov",
+    constraints_path = str(
+        CURRENT_DIRECTORY / "testing" / f"constraints-{session.python}.txt"
     )
+    session.install("asyncmock", "pytest-asyncio", "-c", constraints_path)
 
-    session.install("-e", ".")
+    session.install("mock", "pytest", "pytest-cov", "-c", constraints_path)
+
+    session.install("-e", ".", "-c", constraints_path)
 
     # Run py.test against the unit tests.
     session.run(
@@ -114,6 +122,9 @@ def unit(session):
 @nox.session(python=SYSTEM_TEST_PYTHON_VERSIONS)
 def system(session):
     """Run the system test suite."""
+    constraints_path = str(
+        CURRENT_DIRECTORY / "testing" / f"constraints-{session.python}.txt"
+    )
     system_test_path = os.path.join("tests", "system.py")
     system_test_folder_path = os.path.join("tests", "system")
 
@@ -138,10 +149,8 @@ def system(session):
 
     # Install all test dependencies, then install this package into the
     # virtualenv's dist-packages.
-    session.install(
-        "mock", "pytest", "google-cloud-testutils",
-    )
-    session.install("-e", ".")
+    session.install("mock", "pytest", "google-cloud-testutils", "-c", constraints_path)
+    session.install("-e", ".", "-c", constraints_path)
 
     # Run py.test against the system tests.
     if system_test_exists:
@@ -201,9 +210,7 @@ def docfx(session):
     """Build the docfx yaml files for this library."""
 
     session.install("-e", ".")
-    # sphinx-docfx-yaml supports up to sphinx version 1.5.5.
-    # https://github.com/docascode/sphinx-docfx-yaml/issues/97
-    session.install("sphinx==1.5.5", "alabaster", "recommonmark", "sphinx-docfx-yaml")
+    session.install("sphinx", "alabaster", "recommonmark", "gcp-sphinx-docfx-yaml")
 
     shutil.rmtree(os.path.join("docs", "_build"), ignore_errors=True)
     session.run(
diff --git a/renovate.json b/renovate.json
index 4fa949311..f08bc22c9 100644
--- a/renovate.json
+++ b/renovate.json
@@ -1,5 +1,6 @@
 {
   "extends": [
     "config:base",  ":preserveSemverRanges"
-  ]
+  ],
+  "ignorePaths": [".pre-commit-config.yaml"]
 }
diff --git a/scripts/fixup_compute_v1_keywords.py b/scripts/fixup_compute_v1_keywords.py
index 8fa8c246e..55a93959a 100644
--- a/scripts/fixup_compute_v1_keywords.py
+++ b/scripts/fixup_compute_v1_keywords.py
@@ -41,27 +41,41 @@ def partition(
 class computeCallTransformer(cst.CSTTransformer):
     CTRL_PARAMS: Tuple[str] = ('retry', 'timeout', 'metadata')
     METHOD_TO_PARAMS: Dict[str, Tuple[str]] = {
-    'abandon_instances': ('instance_group_manager', 'project', 'region', 'region_instance_group_managers_abandon_instances_request_resource', 'request_id', ),
+    'abandon_instances': ('instance_group_manager', 'instance_group_managers_abandon_instances_request_resource', 'project', 'zone', 'request_id', ),
     'add_access_config': ('access_config_resource', 'instance', 'network_interface', 'project', 'zone', 'request_id', ),
     'add_health_check': ('project', 'region', 'target_pool', 'target_pools_add_health_check_request_resource', 'request_id', ),
     'add_instance': ('project', 'region', 'target_pool', 'target_pools_add_instance_request_resource', 'request_id', ),
     'add_instances': ('instance_group', 'instance_groups_add_instances_request_resource', 'project', 'zone', 'request_id', ),
     'add_nodes': ('node_group', 'node_groups_add_nodes_request_resource', 'project', 'zone', 'request_id', ),
     'add_peering': ('network', 'networks_add_peering_request_resource', 'project', 'request_id', ),
+<<<<<<< HEAD
+    'add_resource_policies': ('disk', 'disks_add_resource_policies_request_resource', 'project', 'zone', 'request_id', ),
+=======
     'add_resource_policies': ('instance', 'instances_add_resource_policies_request_resource', 'project', 'zone', 'request_id', ),
+>>>>>>> master
     'add_rule': ('project', 'security_policy', 'security_policy_rule_resource', ),
     'add_signed_url_key': ('backend_bucket', 'project', 'signed_url_key_resource', 'request_id', ),
     'aggregated_list': ('project', 'filter', 'include_all_scopes', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
-    'apply_updates_to_instances': ('instance_group_manager', 'project', 'region', 'region_instance_group_managers_apply_updates_request_resource', ),
+    'apply_updates_to_instances': ('instance_group_manager', 'instance_group_managers_apply_updates_request_resource', 'project', 'zone', ),
     'attach_disk': ('attached_disk_resource', 'instance', 'project', 'zone', 'force_attach', 'request_id', ),
     'attach_network_endpoints': ('global_network_endpoint_groups_attach_endpoints_request_resource', 'network_endpoint_group', 'project', 'request_id', ),
+<<<<<<< HEAD
+    'create_instances': ('instance_group_manager', 'instance_group_managers_create_instances_request_resource', 'project', 'zone', 'request_id', ),
+    'create_snapshot': ('disk', 'project', 'snapshot_resource', 'zone', 'guest_flush', 'request_id', ),
+    'delete': ('address', 'project', 'region', 'request_id', ),
+=======
     'create_instances': ('instance_group_manager', 'project', 'region', 'region_instance_group_managers_create_instances_request_resource', 'request_id', ),
     'create_snapshot': ('disk', 'project', 'region', 'snapshot_resource', 'request_id', ),
     'delete': ('network_endpoint_group', 'project', 'request_id', ),
+>>>>>>> master
     'delete_access_config': ('access_config', 'instance', 'network_interface', 'project', 'zone', 'request_id', ),
-    'delete_instances': ('instance_group_manager', 'project', 'region', 'region_instance_group_managers_delete_instances_request_resource', 'request_id', ),
+    'delete_instances': ('instance_group_manager', 'instance_group_managers_delete_instances_request_resource', 'project', 'zone', 'request_id', ),
     'delete_nodes': ('node_group', 'node_groups_delete_nodes_request_resource', 'project', 'zone', 'request_id', ),
+<<<<<<< HEAD
+    'delete_per_instance_configs': ('instance_group_manager', 'instance_group_managers_delete_per_instance_configs_req_resource', 'project', 'zone', ),
+=======
     'delete_per_instance_configs': ('instance_group_manager', 'project', 'region', 'region_instance_group_manager_delete_instance_config_req_resource', ),
+>>>>>>> master
     'delete_signed_url_key': ('backend_bucket', 'key_name', 'project', 'request_id', ),
     'deprecate': ('deprecation_status_resource', 'image', 'project', 'request_id', ),
     'detach_disk': ('device_name', 'instance', 'project', 'zone', 'request_id', ),
@@ -71,11 +85,19 @@ class computeCallTransformer(cst.CSTTransformer):
     'enable_xpn_host': ('project', 'request_id', ),
     'enable_xpn_resource': ('project', 'projects_enable_xpn_resource_request_resource', 'request_id', ),
     'expand_ip_cidr_range': ('project', 'region', 'subnetwork', 'subnetworks_expand_ip_cidr_range_request_resource', 'request_id', ),
+<<<<<<< HEAD
+    'get': ('accelerator_type', 'project', 'zone', ),
+    'get_diagnostics': ('interconnect', 'project', ),
+    'get_from_family': ('family', 'project', ),
+    'get_guest_attributes': ('instance', 'project', 'zone', 'query_path', 'variable_key', ),
+    'get_health': ('backend_service', 'project', 'resource_group_reference_resource', ),
+=======
     'get': ('network_endpoint_group', 'project', ),
     'get_diagnostics': ('interconnect', 'project', ),
     'get_from_family': ('family', 'project', ),
     'get_guest_attributes': ('instance', 'project', 'zone', 'query_path', 'variable_key', ),
     'get_health': ('backend_service', 'project', 'region', 'resource_group_reference_resource', ),
+>>>>>>> master
     'get_iam_policy': ('project', 'resource', 'zone', 'options_requested_policy_version', ),
     'get_nat_mapping_info': ('project', 'region', 'router', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
     'get_router_status': ('project', 'region', 'router', ),
@@ -86,36 +108,54 @@ class computeCallTransformer(cst.CSTTransformer):
     'get_status': ('project', 'region', 'vpn_gateway', ),
     'get_xpn_host': ('project', ),
     'get_xpn_resources': ('project', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
+<<<<<<< HEAD
+    'insert': ('address_resource', 'project', 'region', 'request_id', ),
+    'invalidate_cache': ('cache_invalidation_rule_resource', 'project', 'url_map', 'request_id', ),
+    'list': ('project', 'zone', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
+=======
     'insert': ('network_endpoint_group_resource', 'project', 'request_id', ),
     'invalidate_cache': ('cache_invalidation_rule_resource', 'project', 'url_map', 'request_id', ),
     'list': ('project', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
+>>>>>>> master
     'list_available_features': ('project', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
-    'list_errors': ('instance_group_manager', 'project', 'region', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
-    'list_instances': ('instance_group', 'project', 'region', 'region_instance_groups_list_instances_request_resource', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
-    'list_managed_instances': ('instance_group_manager', 'project', 'region', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
+    'list_errors': ('instance_group_manager', 'project', 'zone', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
+    'list_instances': ('instance_group', 'instance_groups_list_instances_request_resource', 'project', 'zone', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
+    'list_managed_instances': ('instance_group_manager', 'project', 'zone', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
     'list_network_endpoints': ('network_endpoint_group', 'project', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
     'list_nodes': ('node_group', 'project', 'zone', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
     'list_peering_routes': ('network', 'project', 'direction', 'filter', 'max_results', 'order_by', 'page_token', 'peering_name', 'region', 'return_partial_success', ),
-    'list_per_instance_configs': ('instance_group_manager', 'project', 'region', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
+    'list_per_instance_configs': ('instance_group_manager', 'project', 'zone', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
     'list_preconfigured_expression_sets': ('project', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
     'list_referrers': ('instance', 'project', 'zone', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
     'list_usable': ('project', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
     'list_xpn_hosts': ('project', 'projects_list_xpn_hosts_request_resource', 'filter', 'max_results', 'order_by', 'page_token', 'return_partial_success', ),
     'move_disk': ('disk_move_request_resource', 'project', 'request_id', ),
     'move_instance': ('instance_move_request_resource', 'project', 'request_id', ),
+<<<<<<< HEAD
+    'patch': ('autoscaler_resource', 'project', 'zone', 'autoscaler', 'request_id', ),
+    'patch_per_instance_configs': ('instance_group_manager', 'instance_group_managers_patch_per_instance_configs_req_resource', 'project', 'zone', 'request_id', ),
+=======
     'patch': ('project', 'region', 'router', 'router_resource', 'request_id', ),
     'patch_per_instance_configs': ('instance_group_manager', 'project', 'region', 'region_instance_group_manager_patch_instance_config_req_resource', 'request_id', ),
+>>>>>>> master
     'patch_rule': ('project', 'security_policy', 'security_policy_rule_resource', 'priority', ),
     'preview': ('project', 'region', 'router', 'router_resource', ),
-    'recreate_instances': ('instance_group_manager', 'project', 'region', 'region_instance_group_managers_recreate_request_resource', 'request_id', ),
+    'recreate_instances': ('instance_group_manager', 'instance_group_managers_recreate_instances_request_resource', 'project', 'zone', 'request_id', ),
     'remove_health_check': ('project', 'region', 'target_pool', 'target_pools_remove_health_check_request_resource', 'request_id', ),
     'remove_instance': ('project', 'region', 'target_pool', 'target_pools_remove_instance_request_resource', 'request_id', ),
     'remove_instances': ('instance_group', 'instance_groups_remove_instances_request_resource', 'project', 'zone', 'request_id', ),
     'remove_peering': ('network', 'networks_remove_peering_request_resource', 'project', 'request_id', ),
+<<<<<<< HEAD
+    'remove_resource_policies': ('disk', 'disks_remove_resource_policies_request_resource', 'project', 'zone', 'request_id', ),
+    'remove_rule': ('project', 'security_policy', 'priority', ),
+    'reset': ('instance', 'project', 'zone', 'request_id', ),
+    'resize': ('disk', 'disks_resize_request_resource', 'project', 'zone', 'request_id', ),
+=======
     'remove_resource_policies': ('instance', 'instances_remove_resource_policies_request_resource', 'project', 'zone', 'request_id', ),
     'remove_rule': ('project', 'security_policy', 'priority', ),
     'reset': ('instance', 'project', 'zone', 'request_id', ),
     'resize': ('disk', 'project', 'region', 'region_disks_resize_request_resource', 'request_id', ),
+>>>>>>> master
     'set_backend_service': ('project', 'target_ssl_proxies_set_backend_service_request_resource', 'target_ssl_proxy', 'request_id', ),
     'set_backup': ('project', 'region', 'target_pool', 'target_reference_resource', 'failover_ratio', 'request_id', ),
     'set_common_instance_metadata': ('metadata_resource', 'project', 'request_id', ),
@@ -123,13 +163,18 @@ class computeCallTransformer(cst.CSTTransformer):
     'set_deletion_protection': ('project', 'resource', 'zone', 'deletion_protection', 'request_id', ),
     'set_disk_auto_delete': ('auto_delete', 'device_name', 'instance', 'project', 'zone', 'request_id', ),
     'set_iam_policy': ('project', 'resource', 'zone', 'zone_set_policy_request_resource', ),
+<<<<<<< HEAD
+    'set_instance_template': ('instance_group_manager', 'instance_group_managers_set_instance_template_request_resource', 'project', 'zone', 'request_id', ),
+    'set_labels': ('project', 'resource', 'zone', 'zone_set_labels_request_resource', 'request_id', ),
+=======
     'set_instance_template': ('instance_group_manager', 'project', 'region', 'region_instance_group_managers_set_template_request_resource', 'request_id', ),
     'set_labels': ('instance', 'instances_set_labels_request_resource', 'project', 'zone', 'request_id', ),
+>>>>>>> master
     'set_machine_resources': ('instance', 'instances_set_machine_resources_request_resource', 'project', 'zone', 'request_id', ),
     'set_machine_type': ('instance', 'instances_set_machine_type_request_resource', 'project', 'zone', 'request_id', ),
     'set_metadata': ('instance', 'metadata_resource', 'project', 'zone', 'request_id', ),
     'set_min_cpu_platform': ('instance', 'instances_set_min_cpu_platform_request_resource', 'project', 'zone', 'request_id', ),
-    'set_named_ports': ('instance_group', 'project', 'region', 'region_instance_groups_set_named_ports_request_resource', 'request_id', ),
+    'set_named_ports': ('instance_group', 'instance_groups_set_named_ports_request_resource', 'project', 'zone', 'request_id', ),
     'set_node_template': ('node_group', 'node_groups_set_node_template_request_resource', 'project', 'zone', 'request_id', ),
     'set_private_ip_google_access': ('project', 'region', 'subnetwork', 'subnetworks_set_private_ip_google_access_request_resource', 'request_id', ),
     'set_proxy_header': ('project', 'target_ssl_proxies_set_proxy_header_request_resource', 'target_ssl_proxy', 'request_id', ),
@@ -138,12 +183,18 @@ class computeCallTransformer(cst.CSTTransformer):
     'set_security_policy': ('backend_service', 'project', 'security_policy_reference_resource', 'request_id', ),
     'set_service_account': ('instance', 'instances_set_service_account_request_resource', 'project', 'zone', 'request_id', ),
     'set_shielded_instance_integrity_policy': ('instance', 'project', 'shielded_instance_integrity_policy_resource', 'zone', 'request_id', ),
-    'set_ssl_certificates': ('project', 'target_ssl_proxies_set_ssl_certificates_request_resource', 'target_ssl_proxy', 'request_id', ),
-    'set_ssl_policy': ('project', 'ssl_policy_reference_resource', 'target_ssl_proxy', 'request_id', ),
+    'set_ssl_certificates': ('project', 'region', 'region_target_https_proxies_set_ssl_certificates_request_resource', 'target_https_proxy', 'request_id', ),
+    'set_ssl_policy': ('project', 'ssl_policy_reference_resource', 'target_https_proxy', 'request_id', ),
     'set_tags': ('instance', 'project', 'tags_resource', 'zone', 'request_id', ),
+<<<<<<< HEAD
+    'set_target': ('forwarding_rule', 'project', 'region', 'target_reference_resource', 'request_id', ),
+    'set_target_pools': ('instance_group_manager', 'instance_group_managers_set_target_pools_request_resource', 'project', 'zone', 'request_id', ),
+    'set_url_map': ('project', 'region', 'target_http_proxy', 'url_map_reference_resource', 'request_id', ),
+=======
     'set_target': ('forwarding_rule', 'project', 'target_reference_resource', 'request_id', ),
     'set_target_pools': ('instance_group_manager', 'project', 'region', 'region_instance_group_managers_set_target_pools_request_resource', 'request_id', ),
     'set_url_map': ('project', 'target_https_proxy', 'url_map_reference_resource', 'request_id', ),
+>>>>>>> master
     'set_usage_export_bucket': ('project', 'usage_export_location_resource', 'request_id', ),
     'simulate_maintenance_event': ('instance', 'project', 'zone', ),
     'start': ('instance', 'project', 'zone', 'request_id', ),
@@ -151,15 +202,24 @@ class computeCallTransformer(cst.CSTTransformer):
     'stop': ('instance', 'project', 'zone', 'request_id', ),
     'switch_to_custom_mode': ('network', 'project', 'request_id', ),
     'test_iam_permissions': ('project', 'resource', 'test_permissions_request_resource', 'zone', ),
+<<<<<<< HEAD
+    'update': ('autoscaler_resource', 'project', 'zone', 'autoscaler', 'request_id', ),
+=======
     'update': ('project', 'region', 'router', 'router_resource', 'request_id', ),
+>>>>>>> master
     'update_access_config': ('access_config_resource', 'instance', 'network_interface', 'project', 'zone', 'request_id', ),
     'update_display_device': ('display_device_resource', 'instance', 'project', 'zone', 'request_id', ),
     'update_network_interface': ('instance', 'network_interface', 'network_interface_resource', 'project', 'zone', 'request_id', ),
     'update_peering': ('network', 'networks_update_peering_request_resource', 'project', 'request_id', ),
-    'update_per_instance_configs': ('instance_group_manager', 'project', 'region', 'region_instance_group_manager_update_instance_config_req_resource', 'request_id', ),
+    'update_per_instance_configs': ('instance_group_manager', 'instance_group_managers_update_per_instance_configs_req_resource', 'project', 'zone', 'request_id', ),
     'update_shielded_instance_config': ('instance', 'project', 'shielded_instance_config_resource', 'zone', 'request_id', ),
+<<<<<<< HEAD
+    'validate': ('project', 'region', 'region_url_maps_validate_request_resource', 'url_map', ),
+    'wait': ('operation', 'project', ),
+=======
     'validate': ('project', 'url_map', 'url_maps_validate_request_resource', ),
     'wait': ('operation', 'project', 'region', ),
+>>>>>>> master
 
     }
 
diff --git a/setup.py b/setup.py
index 0b2c7f23f..0f6124cdb 100644
--- a/setup.py
+++ b/setup.py
@@ -41,8 +41,7 @@
     include_package_data=True,
     install_requires=(
         "google-api-core[grpc] >= 1.22.2, < 2.0.0dev",
-        "libcst >= 0.2.5",
-        "proto-plus >= 1.4.0",
+        "proto-plus >= 1.13.0",
     ),
     python_requires=">=3.6",
     classifiers=[
diff --git a/synth.metadata b/synth.metadata
index fcd5a7d53..f3ee5ff06 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -3,29 +3,29 @@
     {
       "git": {
         "name": ".",
-        "remote": "https://github.com/googleapis/python-compute.git",
-        "sha": "a97482fd17d32d00194cffb5836ca68109871887"
+        "remote": "git@github.com:googleapis/python-compute",
+        "sha": "85d9fde2926c9832f690f114abf15a210a1a2feb"
       }
     },
     {
       "git": {
         "name": "googleapis-discovery",
         "remote": "https://github.com/googleapis/googleapis-discovery.git",
-        "sha": "806768fb4ee175390ce625331cdcb05293786c8f"
+        "sha": "7b9ceee340b80538579c33155dd4da0d191c4b90"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "0780323da96d5a53925fe0547757181fe76e8f1e"
+        "sha": "ff39353f34a36e7643b86e97724e4027ab466dc6"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "0780323da96d5a53925fe0547757181fe76e8f1e"
+        "sha": "ff39353f34a36e7643b86e97724e4027ab466dc6"
       }
     }
   ],
@@ -39,668 +39,5 @@
         "generator": "bazel"
       }
     }
-  ],
-  "generatedFiles": [
-    ".coveragerc",
-    ".flake8",
-    ".github/CONTRIBUTING.md",
-    ".github/ISSUE_TEMPLATE/bug_report.md",
-    ".github/ISSUE_TEMPLATE/feature_request.md",
-    ".github/ISSUE_TEMPLATE/support_request.md",
-    ".github/PULL_REQUEST_TEMPLATE.md",
-    ".github/header-checker-lint.yml",
-    ".github/release-please.yml",
-    ".github/snippet-bot.yml",
-    ".gitignore",
-    ".kokoro/build.sh",
-    ".kokoro/continuous/common.cfg",
-    ".kokoro/continuous/continuous.cfg",
-    ".kokoro/docker/docs/Dockerfile",
-    ".kokoro/docker/docs/fetch_gpg_keys.sh",
-    ".kokoro/docs/common.cfg",
-    ".kokoro/docs/docs-presubmit.cfg",
-    ".kokoro/docs/docs.cfg",
-    ".kokoro/populate-secrets.sh",
-    ".kokoro/presubmit/common.cfg",
-    ".kokoro/presubmit/presubmit.cfg",
-    ".kokoro/publish-docs.sh",
-    ".kokoro/release.sh",
-    ".kokoro/release/common.cfg",
-    ".kokoro/release/release.cfg",
-    ".kokoro/samples/lint/common.cfg",
-    ".kokoro/samples/lint/continuous.cfg",
-    ".kokoro/samples/lint/periodic.cfg",
-    ".kokoro/samples/lint/presubmit.cfg",
-    ".kokoro/samples/python3.6/common.cfg",
-    ".kokoro/samples/python3.6/continuous.cfg",
-    ".kokoro/samples/python3.6/periodic.cfg",
-    ".kokoro/samples/python3.6/presubmit.cfg",
-    ".kokoro/samples/python3.7/common.cfg",
-    ".kokoro/samples/python3.7/continuous.cfg",
-    ".kokoro/samples/python3.7/periodic.cfg",
-    ".kokoro/samples/python3.7/presubmit.cfg",
-    ".kokoro/samples/python3.8/common.cfg",
-    ".kokoro/samples/python3.8/continuous.cfg",
-    ".kokoro/samples/python3.8/periodic.cfg",
-    ".kokoro/samples/python3.8/presubmit.cfg",
-    ".kokoro/test-samples.sh",
-    ".kokoro/trampoline.sh",
-    ".kokoro/trampoline_v2.sh",
-    ".pre-commit-config.yaml",
-    ".trampolinerc",
-    "CODE_OF_CONDUCT.md",
-    "CONTRIBUTING.rst",
-    "LICENSE",
-    "MANIFEST.in",
-    "docs/_static/custom.css",
-    "docs/_templates/layout.html",
-    "docs/compute_v1/accelerator_types.rst",
-    "docs/compute_v1/addresses.rst",
-    "docs/compute_v1/autoscalers.rst",
-    "docs/compute_v1/backend_buckets.rst",
-    "docs/compute_v1/backend_services.rst",
-    "docs/compute_v1/disk_types.rst",
-    "docs/compute_v1/disks.rst",
-    "docs/compute_v1/external_vpn_gateways.rst",
-    "docs/compute_v1/firewalls.rst",
-    "docs/compute_v1/forwarding_rules.rst",
-    "docs/compute_v1/global_addresses.rst",
-    "docs/compute_v1/global_forwarding_rules.rst",
-    "docs/compute_v1/global_network_endpoint_groups.rst",
-    "docs/compute_v1/global_operations.rst",
-    "docs/compute_v1/global_organization_operations.rst",
-    "docs/compute_v1/health_checks.rst",
-    "docs/compute_v1/images.rst",
-    "docs/compute_v1/instance_group_managers.rst",
-    "docs/compute_v1/instance_groups.rst",
-    "docs/compute_v1/instance_templates.rst",
-    "docs/compute_v1/instances.rst",
-    "docs/compute_v1/interconnect_attachments.rst",
-    "docs/compute_v1/interconnect_locations.rst",
-    "docs/compute_v1/interconnects.rst",
-    "docs/compute_v1/license_codes.rst",
-    "docs/compute_v1/licenses.rst",
-    "docs/compute_v1/machine_types.rst",
-    "docs/compute_v1/network_endpoint_groups.rst",
-    "docs/compute_v1/networks.rst",
-    "docs/compute_v1/node_groups.rst",
-    "docs/compute_v1/node_templates.rst",
-    "docs/compute_v1/node_types.rst",
-    "docs/compute_v1/packet_mirrorings.rst",
-    "docs/compute_v1/projects.rst",
-    "docs/compute_v1/region_autoscalers.rst",
-    "docs/compute_v1/region_backend_services.rst",
-    "docs/compute_v1/region_commitments.rst",
-    "docs/compute_v1/region_disk_types.rst",
-    "docs/compute_v1/region_disks.rst",
-    "docs/compute_v1/region_health_check_services.rst",
-    "docs/compute_v1/region_health_checks.rst",
-    "docs/compute_v1/region_instance_group_managers.rst",
-    "docs/compute_v1/region_instance_groups.rst",
-    "docs/compute_v1/region_network_endpoint_groups.rst",
-    "docs/compute_v1/region_notification_endpoints.rst",
-    "docs/compute_v1/region_operations.rst",
-    "docs/compute_v1/region_ssl_certificates.rst",
-    "docs/compute_v1/region_target_http_proxies.rst",
-    "docs/compute_v1/region_target_https_proxies.rst",
-    "docs/compute_v1/region_url_maps.rst",
-    "docs/compute_v1/regions.rst",
-    "docs/compute_v1/reservations.rst",
-    "docs/compute_v1/resource_policies.rst",
-    "docs/compute_v1/routers.rst",
-    "docs/compute_v1/routes.rst",
-    "docs/compute_v1/security_policies.rst",
-    "docs/compute_v1/services.rst",
-    "docs/compute_v1/snapshots.rst",
-    "docs/compute_v1/ssl_certificates.rst",
-    "docs/compute_v1/ssl_policies.rst",
-    "docs/compute_v1/subnetworks.rst",
-    "docs/compute_v1/target_grpc_proxies.rst",
-    "docs/compute_v1/target_http_proxies.rst",
-    "docs/compute_v1/target_https_proxies.rst",
-    "docs/compute_v1/target_instances.rst",
-    "docs/compute_v1/target_pools.rst",
-    "docs/compute_v1/target_ssl_proxies.rst",
-    "docs/compute_v1/target_tcp_proxies.rst",
-    "docs/compute_v1/target_vpn_gateways.rst",
-    "docs/compute_v1/types.rst",
-    "docs/compute_v1/url_maps.rst",
-    "docs/compute_v1/vpn_gateways.rst",
-    "docs/compute_v1/vpn_tunnels.rst",
-    "docs/compute_v1/zone_operations.rst",
-    "docs/compute_v1/zones.rst",
-    "docs/conf.py",
-    "docs/multiprocessing.rst",
-    "google/cloud/compute/__init__.py",
-    "google/cloud/compute/py.typed",
-    "google/cloud/compute_v1/__init__.py",
-    "google/cloud/compute_v1/py.typed",
-    "google/cloud/compute_v1/services/__init__.py",
-    "google/cloud/compute_v1/services/accelerator_types/__init__.py",
-    "google/cloud/compute_v1/services/accelerator_types/client.py",
-    "google/cloud/compute_v1/services/accelerator_types/pagers.py",
-    "google/cloud/compute_v1/services/accelerator_types/transports/__init__.py",
-    "google/cloud/compute_v1/services/accelerator_types/transports/base.py",
-    "google/cloud/compute_v1/services/accelerator_types/transports/rest.py",
-    "google/cloud/compute_v1/services/addresses/__init__.py",
-    "google/cloud/compute_v1/services/addresses/client.py",
-    "google/cloud/compute_v1/services/addresses/pagers.py",
-    "google/cloud/compute_v1/services/addresses/transports/__init__.py",
-    "google/cloud/compute_v1/services/addresses/transports/base.py",
-    "google/cloud/compute_v1/services/addresses/transports/rest.py",
-    "google/cloud/compute_v1/services/autoscalers/__init__.py",
-    "google/cloud/compute_v1/services/autoscalers/client.py",
-    "google/cloud/compute_v1/services/autoscalers/pagers.py",
-    "google/cloud/compute_v1/services/autoscalers/transports/__init__.py",
-    "google/cloud/compute_v1/services/autoscalers/transports/base.py",
-    "google/cloud/compute_v1/services/autoscalers/transports/rest.py",
-    "google/cloud/compute_v1/services/backend_buckets/__init__.py",
-    "google/cloud/compute_v1/services/backend_buckets/client.py",
-    "google/cloud/compute_v1/services/backend_buckets/pagers.py",
-    "google/cloud/compute_v1/services/backend_buckets/transports/__init__.py",
-    "google/cloud/compute_v1/services/backend_buckets/transports/base.py",
-    "google/cloud/compute_v1/services/backend_buckets/transports/rest.py",
-    "google/cloud/compute_v1/services/backend_services/__init__.py",
-    "google/cloud/compute_v1/services/backend_services/client.py",
-    "google/cloud/compute_v1/services/backend_services/pagers.py",
-    "google/cloud/compute_v1/services/backend_services/transports/__init__.py",
-    "google/cloud/compute_v1/services/backend_services/transports/base.py",
-    "google/cloud/compute_v1/services/backend_services/transports/rest.py",
-    "google/cloud/compute_v1/services/disk_types/__init__.py",
-    "google/cloud/compute_v1/services/disk_types/client.py",
-    "google/cloud/compute_v1/services/disk_types/pagers.py",
-    "google/cloud/compute_v1/services/disk_types/transports/__init__.py",
-    "google/cloud/compute_v1/services/disk_types/transports/base.py",
-    "google/cloud/compute_v1/services/disk_types/transports/rest.py",
-    "google/cloud/compute_v1/services/disks/__init__.py",
-    "google/cloud/compute_v1/services/disks/client.py",
-    "google/cloud/compute_v1/services/disks/pagers.py",
-    "google/cloud/compute_v1/services/disks/transports/__init__.py",
-    "google/cloud/compute_v1/services/disks/transports/base.py",
-    "google/cloud/compute_v1/services/disks/transports/rest.py",
-    "google/cloud/compute_v1/services/external_vpn_gateways/__init__.py",
-    "google/cloud/compute_v1/services/external_vpn_gateways/client.py",
-    "google/cloud/compute_v1/services/external_vpn_gateways/pagers.py",
-    "google/cloud/compute_v1/services/external_vpn_gateways/transports/__init__.py",
-    "google/cloud/compute_v1/services/external_vpn_gateways/transports/base.py",
-    "google/cloud/compute_v1/services/external_vpn_gateways/transports/rest.py",
-    "google/cloud/compute_v1/services/firewalls/__init__.py",
-    "google/cloud/compute_v1/services/firewalls/client.py",
-    "google/cloud/compute_v1/services/firewalls/pagers.py",
-    "google/cloud/compute_v1/services/firewalls/transports/__init__.py",
-    "google/cloud/compute_v1/services/firewalls/transports/base.py",
-    "google/cloud/compute_v1/services/firewalls/transports/rest.py",
-    "google/cloud/compute_v1/services/forwarding_rules/__init__.py",
-    "google/cloud/compute_v1/services/forwarding_rules/client.py",
-    "google/cloud/compute_v1/services/forwarding_rules/pagers.py",
-    "google/cloud/compute_v1/services/forwarding_rules/transports/__init__.py",
-    "google/cloud/compute_v1/services/forwarding_rules/transports/base.py",
-    "google/cloud/compute_v1/services/forwarding_rules/transports/rest.py",
-    "google/cloud/compute_v1/services/global_addresses/__init__.py",
-    "google/cloud/compute_v1/services/global_addresses/client.py",
-    "google/cloud/compute_v1/services/global_addresses/pagers.py",
-    "google/cloud/compute_v1/services/global_addresses/transports/__init__.py",
-    "google/cloud/compute_v1/services/global_addresses/transports/base.py",
-    "google/cloud/compute_v1/services/global_addresses/transports/rest.py",
-    "google/cloud/compute_v1/services/global_forwarding_rules/__init__.py",
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-    "google/cloud/compute_v1/services/target_grpc_proxies/transports/base.py",
-    "google/cloud/compute_v1/services/target_grpc_proxies/transports/rest.py",
-    "google/cloud/compute_v1/services/target_http_proxies/__init__.py",
-    "google/cloud/compute_v1/services/target_http_proxies/client.py",
-    "google/cloud/compute_v1/services/target_http_proxies/pagers.py",
-    "google/cloud/compute_v1/services/target_http_proxies/transports/__init__.py",
-    "google/cloud/compute_v1/services/target_http_proxies/transports/base.py",
-    "google/cloud/compute_v1/services/target_http_proxies/transports/rest.py",
-    "google/cloud/compute_v1/services/target_https_proxies/__init__.py",
-    "google/cloud/compute_v1/services/target_https_proxies/client.py",
-    "google/cloud/compute_v1/services/target_https_proxies/pagers.py",
-    "google/cloud/compute_v1/services/target_https_proxies/transports/__init__.py",
-    "google/cloud/compute_v1/services/target_https_proxies/transports/base.py",
-    "google/cloud/compute_v1/services/target_https_proxies/transports/rest.py",
-    "google/cloud/compute_v1/services/target_instances/__init__.py",
-    "google/cloud/compute_v1/services/target_instances/client.py",
-    "google/cloud/compute_v1/services/target_instances/pagers.py",
-    "google/cloud/compute_v1/services/target_instances/transports/__init__.py",
-    "google/cloud/compute_v1/services/target_instances/transports/base.py",
-    "google/cloud/compute_v1/services/target_instances/transports/rest.py",
-    "google/cloud/compute_v1/services/target_pools/__init__.py",
-    "google/cloud/compute_v1/services/target_pools/client.py",
-    "google/cloud/compute_v1/services/target_pools/pagers.py",
-    "google/cloud/compute_v1/services/target_pools/transports/__init__.py",
-    "google/cloud/compute_v1/services/target_pools/transports/base.py",
-    "google/cloud/compute_v1/services/target_pools/transports/rest.py",
-    "google/cloud/compute_v1/services/target_ssl_proxies/__init__.py",
-    "google/cloud/compute_v1/services/target_ssl_proxies/client.py",
-    "google/cloud/compute_v1/services/target_ssl_proxies/pagers.py",
-    "google/cloud/compute_v1/services/target_ssl_proxies/transports/__init__.py",
-    "google/cloud/compute_v1/services/target_ssl_proxies/transports/base.py",
-    "google/cloud/compute_v1/services/target_ssl_proxies/transports/rest.py",
-    "google/cloud/compute_v1/services/target_tcp_proxies/__init__.py",
-    "google/cloud/compute_v1/services/target_tcp_proxies/client.py",
-    "google/cloud/compute_v1/services/target_tcp_proxies/pagers.py",
-    "google/cloud/compute_v1/services/target_tcp_proxies/transports/__init__.py",
-    "google/cloud/compute_v1/services/target_tcp_proxies/transports/base.py",
-    "google/cloud/compute_v1/services/target_tcp_proxies/transports/rest.py",
-    "google/cloud/compute_v1/services/target_vpn_gateways/__init__.py",
-    "google/cloud/compute_v1/services/target_vpn_gateways/client.py",
-    "google/cloud/compute_v1/services/target_vpn_gateways/pagers.py",
-    "google/cloud/compute_v1/services/target_vpn_gateways/transports/__init__.py",
-    "google/cloud/compute_v1/services/target_vpn_gateways/transports/base.py",
-    "google/cloud/compute_v1/services/target_vpn_gateways/transports/rest.py",
-    "google/cloud/compute_v1/services/url_maps/__init__.py",
-    "google/cloud/compute_v1/services/url_maps/client.py",
-    "google/cloud/compute_v1/services/url_maps/pagers.py",
-    "google/cloud/compute_v1/services/url_maps/transports/__init__.py",
-    "google/cloud/compute_v1/services/url_maps/transports/base.py",
-    "google/cloud/compute_v1/services/url_maps/transports/rest.py",
-    "google/cloud/compute_v1/services/vpn_gateways/__init__.py",
-    "google/cloud/compute_v1/services/vpn_gateways/client.py",
-    "google/cloud/compute_v1/services/vpn_gateways/pagers.py",
-    "google/cloud/compute_v1/services/vpn_gateways/transports/__init__.py",
-    "google/cloud/compute_v1/services/vpn_gateways/transports/base.py",
-    "google/cloud/compute_v1/services/vpn_gateways/transports/rest.py",
-    "google/cloud/compute_v1/services/vpn_tunnels/__init__.py",
-    "google/cloud/compute_v1/services/vpn_tunnels/client.py",
-    "google/cloud/compute_v1/services/vpn_tunnels/pagers.py",
-    "google/cloud/compute_v1/services/vpn_tunnels/transports/__init__.py",
-    "google/cloud/compute_v1/services/vpn_tunnels/transports/base.py",
-    "google/cloud/compute_v1/services/vpn_tunnels/transports/rest.py",
-    "google/cloud/compute_v1/services/zone_operations/__init__.py",
-    "google/cloud/compute_v1/services/zone_operations/client.py",
-    "google/cloud/compute_v1/services/zone_operations/pagers.py",
-    "google/cloud/compute_v1/services/zone_operations/transports/__init__.py",
-    "google/cloud/compute_v1/services/zone_operations/transports/base.py",
-    "google/cloud/compute_v1/services/zone_operations/transports/rest.py",
-    "google/cloud/compute_v1/services/zones/__init__.py",
-    "google/cloud/compute_v1/services/zones/client.py",
-    "google/cloud/compute_v1/services/zones/pagers.py",
-    "google/cloud/compute_v1/services/zones/transports/__init__.py",
-    "google/cloud/compute_v1/services/zones/transports/base.py",
-    "google/cloud/compute_v1/services/zones/transports/rest.py",
-    "google/cloud/compute_v1/types/__init__.py",
-    "google/cloud/compute_v1/types/compute.py",
-    "mypy.ini",
-    "noxfile.py",
-    "renovate.json",
-    "scripts/decrypt-secrets.sh",
-    "scripts/fixup_compute_v1_keywords.py",
-    "scripts/readme-gen/readme_gen.py",
-    "scripts/readme-gen/templates/README.tmpl.rst",
-    "scripts/readme-gen/templates/auth.tmpl.rst",
-    "scripts/readme-gen/templates/auth_api_key.tmpl.rst",
-    "scripts/readme-gen/templates/install_deps.tmpl.rst",
-    "scripts/readme-gen/templates/install_portaudio.tmpl.rst",
-    "setup.cfg",
-    "testing/.gitignore",
-    "tests/unit/gapic/compute_v1/__init__.py",
-    "tests/unit/gapic/compute_v1/test_accelerator_types.py",
-    "tests/unit/gapic/compute_v1/test_addresses.py",
-    "tests/unit/gapic/compute_v1/test_autoscalers.py",
-    "tests/unit/gapic/compute_v1/test_backend_buckets.py",
-    "tests/unit/gapic/compute_v1/test_backend_services.py",
-    "tests/unit/gapic/compute_v1/test_disk_types.py",
-    "tests/unit/gapic/compute_v1/test_disks.py",
-    "tests/unit/gapic/compute_v1/test_external_vpn_gateways.py",
-    "tests/unit/gapic/compute_v1/test_firewalls.py",
-    "tests/unit/gapic/compute_v1/test_forwarding_rules.py",
-    "tests/unit/gapic/compute_v1/test_global_addresses.py",
-    "tests/unit/gapic/compute_v1/test_global_forwarding_rules.py",
-    "tests/unit/gapic/compute_v1/test_global_network_endpoint_groups.py",
-    "tests/unit/gapic/compute_v1/test_global_operations.py",
-    "tests/unit/gapic/compute_v1/test_global_organization_operations.py",
-    "tests/unit/gapic/compute_v1/test_health_checks.py",
-    "tests/unit/gapic/compute_v1/test_images.py",
-    "tests/unit/gapic/compute_v1/test_instance_group_managers.py",
-    "tests/unit/gapic/compute_v1/test_instance_groups.py",
-    "tests/unit/gapic/compute_v1/test_instance_templates.py",
-    "tests/unit/gapic/compute_v1/test_instances.py",
-    "tests/unit/gapic/compute_v1/test_interconnect_attachments.py",
-    "tests/unit/gapic/compute_v1/test_interconnect_locations.py",
-    "tests/unit/gapic/compute_v1/test_interconnects.py",
-    "tests/unit/gapic/compute_v1/test_license_codes.py",
-    "tests/unit/gapic/compute_v1/test_licenses.py",
-    "tests/unit/gapic/compute_v1/test_machine_types.py",
-    "tests/unit/gapic/compute_v1/test_network_endpoint_groups.py",
-    "tests/unit/gapic/compute_v1/test_networks.py",
-    "tests/unit/gapic/compute_v1/test_node_groups.py",
-    "tests/unit/gapic/compute_v1/test_node_templates.py",
-    "tests/unit/gapic/compute_v1/test_node_types.py",
-    "tests/unit/gapic/compute_v1/test_packet_mirrorings.py",
-    "tests/unit/gapic/compute_v1/test_projects.py",
-    "tests/unit/gapic/compute_v1/test_region_autoscalers.py",
-    "tests/unit/gapic/compute_v1/test_region_backend_services.py",
-    "tests/unit/gapic/compute_v1/test_region_commitments.py",
-    "tests/unit/gapic/compute_v1/test_region_disk_types.py",
-    "tests/unit/gapic/compute_v1/test_region_disks.py",
-    "tests/unit/gapic/compute_v1/test_region_health_check_services.py",
-    "tests/unit/gapic/compute_v1/test_region_health_checks.py",
-    "tests/unit/gapic/compute_v1/test_region_instance_group_managers.py",
-    "tests/unit/gapic/compute_v1/test_region_instance_groups.py",
-    "tests/unit/gapic/compute_v1/test_region_network_endpoint_groups.py",
-    "tests/unit/gapic/compute_v1/test_region_notification_endpoints.py",
-    "tests/unit/gapic/compute_v1/test_region_operations.py",
-    "tests/unit/gapic/compute_v1/test_region_ssl_certificates.py",
-    "tests/unit/gapic/compute_v1/test_region_target_http_proxies.py",
-    "tests/unit/gapic/compute_v1/test_region_target_https_proxies.py",
-    "tests/unit/gapic/compute_v1/test_region_url_maps.py",
-    "tests/unit/gapic/compute_v1/test_regions.py",
-    "tests/unit/gapic/compute_v1/test_reservations.py",
-    "tests/unit/gapic/compute_v1/test_resource_policies.py",
-    "tests/unit/gapic/compute_v1/test_routers.py",
-    "tests/unit/gapic/compute_v1/test_routes.py",
-    "tests/unit/gapic/compute_v1/test_security_policies.py",
-    "tests/unit/gapic/compute_v1/test_snapshots.py",
-    "tests/unit/gapic/compute_v1/test_ssl_certificates.py",
-    "tests/unit/gapic/compute_v1/test_ssl_policies.py",
-    "tests/unit/gapic/compute_v1/test_subnetworks.py",
-    "tests/unit/gapic/compute_v1/test_target_grpc_proxies.py",
-    "tests/unit/gapic/compute_v1/test_target_http_proxies.py",
-    "tests/unit/gapic/compute_v1/test_target_https_proxies.py",
-    "tests/unit/gapic/compute_v1/test_target_instances.py",
-    "tests/unit/gapic/compute_v1/test_target_pools.py",
-    "tests/unit/gapic/compute_v1/test_target_ssl_proxies.py",
-    "tests/unit/gapic/compute_v1/test_target_tcp_proxies.py",
-    "tests/unit/gapic/compute_v1/test_target_vpn_gateways.py",
-    "tests/unit/gapic/compute_v1/test_url_maps.py",
-    "tests/unit/gapic/compute_v1/test_vpn_gateways.py",
-    "tests/unit/gapic/compute_v1/test_vpn_tunnels.py",
-    "tests/unit/gapic/compute_v1/test_zone_operations.py",
-    "tests/unit/gapic/compute_v1/test_zones.py"
   ]
 }
\ No newline at end of file
diff --git a/synth.py b/synth.py
index 2ee8c21e7..44f47480b 100644
--- a/synth.py
+++ b/synth.py
@@ -34,7 +34,7 @@
         bazel_target="//google/cloud/compute/v1:compute-v1-py",
         diregapic=True,
     )
-    s.move(library, excludes=["setup.py", "README.rst", "docs/index.rst", "docs/multiprocessing.rst"])
+    s.move(library, excludes=["setup.py", "README.rst", "docs/index.rst", "docs/multiprocessing.rst", "scripts/fixup*"])
 
 # ----------------------------------------------------------------------------
 # Add templated files
@@ -54,4 +54,4 @@
     "",
 )
 
-s.shell.run(["nox", "-s", "blacken"], hide_output=False)
\ No newline at end of file
+s.shell.run(["nox", "-s", "blacken"], hide_output=False)
diff --git a/testing/constraints-3.6.txt b/testing/constraints-3.6.txt
new file mode 100644
index 000000000..9d481b987
--- /dev/null
+++ b/testing/constraints-3.6.txt
@@ -0,0 +1,9 @@
+# This constraints file is used to check that lower bounds
+# are correct in setup.py
+# List all library dependencies and extras in this file.
+# Pin the version to the lower bound.
+
+# e.g., if setup.py has "google-cloud-foo >= 1.14.0, < 2.0.0dev",
+# Then this file should have google-cloud-foo==1.14.0
+google-api-core==1.22.2
+proto-plus==1.13.0
diff --git a/testing/constraints-3.7.txt b/testing/constraints-3.7.txt
new file mode 100644
index 000000000..da93009be
--- /dev/null
+++ b/testing/constraints-3.7.txt
@@ -0,0 +1,2 @@
+# This constraints file is left inentionally empty
+# so the latest version of dependencies is installed
\ No newline at end of file
diff --git a/testing/constraints-3.8.txt b/testing/constraints-3.8.txt
new file mode 100644
index 000000000..da93009be
--- /dev/null
+++ b/testing/constraints-3.8.txt
@@ -0,0 +1,2 @@
+# This constraints file is left inentionally empty
+# so the latest version of dependencies is installed
\ No newline at end of file
diff --git a/testing/constraints-3.9.txt b/testing/constraints-3.9.txt
new file mode 100644
index 000000000..da93009be
--- /dev/null
+++ b/testing/constraints-3.9.txt
@@ -0,0 +1,2 @@
+# This constraints file is left inentionally empty
+# so the latest version of dependencies is installed
\ No newline at end of file