Custom scalar resolver methods.
Supply any subset of serialize, parseValue, and parseLiteral; omitted
members leave graphql's identity default in place.
optional
serialize(value: unknown): unknown
Serialize an internal value to JSON-safe output.
optional
parseValue(value: unknown): unknown
Parse a client input value (variable).
optional
parseLiteral(node: unknown,variables?: Record<string, unknown> | null): unknown
Parse a literal AST value (inline argument).