# A pull request reference (used for head and base).
class PullRef
	serialize

	# Label pointed by `self`.
	var labl: String is writable, serialize_as("label")

	# Reference pointed by `self`.
	var ref: String is writable

	# Commit SHA pointed by `self`.
	var sha: String is writable

	# User pointed by `self`.
	var user: User is writable

	# Repo pointed by `self` (if any).
	#
	# A `null` value means the `repo` was deleted.
	var repo: nullable Repo is writable
end