# Functions
NewURLFetcher creates a new URLFetcher.
# Constants
DefaultTokenExpirationDuration specifies the default token expiration.
# Structs
AccessDenied is returned when the resource requested.
AuthTokenError is returned when authentication with a registry fails.
DoNotRetry is an error wrapper indicating that the error cannot be resolved with a retry.
ImageNotFoundError is returned when an image is not found.
Options struct.
RegistryErrorRespBody is used for unmarshaling json error response body from image registries.
TagNotFoundError is returned when an image's tag doesn't exist.
Token represents https://docs.docker.com/registry/spec/auth/token/.
URLFetcher struct.
# Interfaces
Fetcher interface.