old_contents: import synthtool as s
  import synthtool.gcp as gcp
  import logging
  import subprocess
  import os
  
  logging.basicConfig(level=logging.DEBUG)
  version='v2'
  gapic = gcp.GAPICMicrogenerator()
  v2_library = gapic.typescript_library(
    'bigtable',
    version,
    generator_args={
      "grpc-service-config": f"google/bigtable/{version}/bigtable_grpc_service_config.json",
      "package-name": f"@google-cloud/bigtable",
      "main-service": f"bigtable"
      },
      proto_path=f'/google/bigtable/{version}',
      extra_proto_files=['google/cloud/common_resources.proto'],
    )
  # src/index.ts src/v2/index.ts has added AdminClients manually, we don't wanna override it.
  # src/*.ts is a added layer for the client libraries, they need extra setting in tsconfig.json & tslint.json
  # Tracking issues: 1. https://github.com/googleapis/nodejs-bigtable/issues/636
  #                  2. https://github.com/googleapis/nodejs-bigtable/issues/635
  s.copy(
    v2_library,
    excludes=['package.json', 'README.md', 'src/index.ts', 'src/v2/index.ts', 'tsconfig.json', 'tslint.json']
  )
  
  v2_library = gapic.typescript_library(
      "bigtable_admin",
      version,
      generator_args={
        "grpc-service-config": f"google/bigtable/admin/{version}/bigtableadmin_grpc_service_config.json",
        "package-name": f"@google-cloud/bigtable",
        "main-service": f"bigtable"
        },
        proto_path=f'/google/bigtable/admin/{version}',
        extra_proto_files=['google/cloud/common_resources.proto'],
        )
  # Not override system-test for admin/v2, just keep the v2 version.
  s.copy(
    v2_library,
    excludes=['package.json', 'README.md', 'src/index.ts', 'src/v2/index.ts', 'tsconfig.json', 'tslint.json', 'system-test/fixtures/sample/src/index.ts', 'system-test/fixtures/sample/src/index.js']
  )
  # Replace the client name for generated system-test.
  system_test_files=['system-test/fixtures/sample/src/index.ts','system-test/fixtures/sample/src/index.js']
  for file in system_test_files:
      s.replace(file, 'BigtableClient', 'Bigtable')
  common_templates = gcp.CommonTemplates()
  templates = common_templates.node_library(
    source_location='build/src'
  )
  s.copy(templates)
  
  subprocess.run(['npm', 'install'])
  subprocess.run(['npm', 'run', 'fix'])
  subprocess.run(['npx', 'compileProtos', 'src'])
  
new_contents: import synthtool as s
  import synthtool.gcp as gcp
  import logging
  import subprocess
  import os
  
  logging.basicConfig(level=logging.DEBUG)
  
  AUTOSYNTH_MULTIPLE_COMMITS = True
  
  version='v2'
  gapic = gcp.GAPICMicrogenerator()
  v2_library = gapic.typescript_library(
    'bigtable',
    version,
    generator_args={
      "grpc-service-config": f"google/bigtable/{version}/bigtable_grpc_service_config.json",
      "package-name": f"@google-cloud/bigtable",
      "main-service": f"bigtable"
      },
      proto_path=f'/google/bigtable/{version}',
      extra_proto_files=['google/cloud/common_resources.proto'],
    )
  # src/index.ts src/v2/index.ts has added AdminClients manually, we don't wanna override it.
  # src/*.ts is a added layer for the client libraries, they need extra setting in tsconfig.json & tslint.json
  # Tracking issues: 1. https://github.com/googleapis/nodejs-bigtable/issues/636
  #                  2. https://github.com/googleapis/nodejs-bigtable/issues/635
  s.copy(
    v2_library,
    excludes=['package.json', 'README.md', 'src/index.ts', 'src/v2/index.ts', 'tsconfig.json', 'tslint.json']
  )
  
  v2_library = gapic.typescript_library(
      "bigtable_admin",
      version,
      generator_args={
        "grpc-service-config": f"google/bigtable/admin/{version}/bigtableadmin_grpc_service_config.json",
        "package-name": f"@google-cloud/bigtable",
        "main-service": f"bigtable"
        },
        proto_path=f'/google/bigtable/admin/{version}',
        extra_proto_files=['google/cloud/common_resources.proto'],
        )
  # Not override system-test for admin/v2, just keep the v2 version.
  s.copy(
    v2_library,
    excludes=['package.json', 'README.md', 'src/index.ts', 'src/v2/index.ts', 'tsconfig.json', 'tslint.json', 'system-test/fixtures/sample/src/index.ts', 'system-test/fixtures/sample/src/index.js']
  )
  # Replace the client name for generated system-test.
  system_test_files=['system-test/fixtures/sample/src/index.ts','system-test/fixtures/sample/src/index.js']
  for file in system_test_files:
      s.replace(file, 'BigtableClient', 'Bigtable')
  common_templates = gcp.CommonTemplates()
  templates = common_templates.node_library(
    source_location='build/src'
  )
  s.copy(templates)
  
  subprocess.run(['npm', 'install'])
  subprocess.run(['npm', 'run', 'fix'])
  subprocess.run(['npx', 'compileProtos', 'src'])
  
subject: set AUTOSYNTH_MULTIPLE_COMMITS=true for context aware commits (#679)