method Node.isMappedTypeNodeimport { Node } from "https://dotland.deno.dev/x/fresh@1.1.5/src/dev/deps.ts"; isMappedTypeNode(node: Node | undefined): node is MappedTypeNodeGets if the node is a MappedTypeNode. Gets if the node is a MappedTypeNode. Parametersnode: Node | undefined Node to check. Returnsnode is MappedTypeNode