method Node.isTypeAssertionimport { Node } from "https://dotland.deno.dev/x/fresh@1.6.7/src/dev/deps.ts"; isTypeAssertion(node: Node | undefined): node is TypeAssertionGets if the node is a TypeAssertion. Gets if the node is a TypeAssertion. Parametersnode: Node | undefinedReturnsnode is TypeAssertion