Required files
vcr/util/logger
vcr/util/variable_args_block_caller
vcr/cassette
vcr/cassette/serializers
vcr/cassette/persisters
vcr/linked_cassette
vcr/configuration
vcr/deprecations
vcr/errors
vcr/library_hooks
vcr/request_ignorer
vcr/request_matcher_registry
vcr/structs
vcr/version
fiber