method Node.isAssertionKeyNamedimport { Node } from "https://dotland.deno.dev/x/fresh@1.1.1/src/dev/deps.ts"; isAssertionKeyNamed<T extends Node>(node: T | undefined): node is AssertionKeyNamedNode & AssertionKeyNamedNodeExtensionType & TGets if the node is an AssertionKeyNamedNode. Gets if the node is an AssertionKeyNamedNode. Type ParametersT extends NodeParametersnode: T | undefined Node to check. Returnsnode is AssertionKeyNamedNode & AssertionKeyNamedNodeExtensionType & T