method Decorate.prototype._decorateFunctionMetaimport { Decorate } from "https://dotland.deno.dev/x/polkadot@0.2.45/api/base/Decorate.ts"; _decorateFunctionMeta(input: MetaDecoration, output: MetaDecoration): MetaDecorationParametersinput: MetaDecorationoutput: MetaDecorationReturnsMetaDecoration