/**
* Returns {@code true} if the {@link ImageReference} uses a SHA-256 digest as its tag; {@code
* false} if not.
*
* @return {@code true} if tag is a SHA-256 digest; {@code false} if not
*/
public bool IsTagDigest()
{
return(DescriptorDigest.IsValidDigest(tag));
}
/**
* Returns {@code true} if {@code tag} is a valid tag string. For example, a valid tag could be
* {@code v120.5-release}.
*
* @param tag the tag to check
* @return {@code true} if is a valid tag; {@code false} otherwise
*/
public static bool IsValidTag(string tag)
{
return(IsValidTagName(tag) || DescriptorDigest.IsValidDigest(tag));
}