--- !tapi-tbd
# copied from XCode's libSystem.tbd (current-version: 1311)
# to provide weak-linkage info for new symbols on old systems
tbd-version:     4
targets:         [ x86_64-macos, x86_64-maccatalyst, arm64-macos, arm64-maccatalyst,
                   arm64e-macos, arm64e-maccatalyst ]
uuids:
  - target:          x86_64-macos
    value:           AFE6C76A-B47A-35F5-91D0-4E9FC439E90D
  - target:          x86_64-maccatalyst
    value:           AFE6C76A-B47A-35F5-91D0-4E9FC439E90D
  - target:          arm64-macos
    value:           2EA09BDB-811B-33AA-BB58-4B53AA2DB522
  - target:          arm64-maccatalyst
    value:           2EA09BDB-811B-33AA-BB58-4B53AA2DB522
  - target:          arm64e-macos
    value:           09AB3723-C26D-3762-93BA-98E9C38B89C1
  - target:          arm64e-maccatalyst
    value:           09AB3723-C26D-3762-93BA-98E9C38B89C1
install-name:    '/usr/lib/libSystem.B.dylib'
exports:
  - targets:         [ arm64-macos, arm64e-macos, x86_64-macos, x86_64-maccatalyst,
                       arm64-maccatalyst, arm64e-maccatalyst ]
    symbols:         [ __dyld_atfork_parent, __dyld_atfork_prepare ]
...