method TypePredicateNode.prototype.getTypeNodeimport { TypePredicateNode } from "https://dotland.deno.dev/x/ts_morph@22.0.0/ts_morph.d.ts"; getTypeNode(): TypeNode | undefinedGets the type name if it exists or returns undefined when it asserts a condition. Gets the type name if it exists or returns undefined when it asserts a condition. ReturnsTypeNode | undefined