method Node.isStatementedimport { Node } from "https://deno.land/x/fresh@1.6.0/src/dev/deps.ts"; isStatemented<T extends Node>(node: T | undefined): node is StatementedNode & StatementedNodeExtensionType & TGets if the node is a StatementedNode. Gets if the node is a StatementedNode. Type ParametersT extends NodeParametersnode: T | undefinedReturnsnode is StatementedNode & StatementedNodeExtensionType & T