JSONValueValueMap merges one or more JSONValue into a map whose key is the un-ambiguous leaf value of the input JSONValue(s).

NewExpander create a expander for the schema referenced by the input json reference.

NewExpanderFromOpRef create a expander for the successful response schema of an operation referenced by the input json reference.

PropWalkFunc is invoked during the property tree walking.

VariantMap maps the x-ms-discriminator-value to the model name in "/definitions".