# Functions
MakeDefaultConfig returns a default TransformerConfig.
MakeEmptyConfig returns an empty TransformerConfig object.
MakeTransformerConfig returns a merger of custom config, if any, with default config.
# Structs
NameBackReferences is an association between a gvk.GVK (a ReferralTarget) and a list of Referrers that could refer to it.
TransformerConfig holds the data needed to perform transformations.