method Block.prototype.getParentOrThrowimport { Block } from "https://deno.land/x/ts_morph@21.0.1/ts_morph.d.ts"; getParentOrThrow(message?: string | (() => string)): NonNullable<NodeParentType<ts.Block>>Parametersoptionalmessage: string | (() => string)ReturnsNonNullable<NodeParentType<ts.Block>>