# Functions
GetImageData takes registry authentication information and a name of the image to return information about.
PutManifestList takes an authentication variable and a yaml spec struct and pushes an image list based on the spec.
# Constants
DefaultHostname is the default built-in registry (DockerHub).
DefaultRepoPrefix is the prefix used for official images in DockerHub.
LegacyDefaultHostname is the old hostname used for DockerHub.
# Structs
ImageConfigPullError is an error pulling the image config blob (only applies to schema2).