method Block.prototype.getParentOrThrowimport { Block } from "https://dotland.deno.dev/x/ts_morph@22.0.0/mod.ts"; getParentOrThrow(message?: string | (() => string)): NonNullable<NodeParentType<ts.Block>>Parametersoptionalmessage: string | (() => string)ReturnsNonNullable<NodeParentType<ts.Block>>