method Node.isParameterDeclarationimport { Node } from "https://deno.land/x/fresh@1.6.1/src/dev/deps.ts"; isParameterDeclaration(node: Node | undefined): node is ParameterDeclarationGets if the node is a ParameterDeclaration. Gets if the node is a ParameterDeclaration. Parametersnode: Node | undefinedReturnsnode is ParameterDeclaration