function objectPropertyimport { objectProperty } from "https://dotland.deno.dev/x/polkadot@0.2.35/util/index.ts"; objectProperty<S>(that: object,key: string,getter: (key: string,index: number,self: S,) => unknown,getName?: (key: string, index: number) => string,index?,): voidType ParametersSParametersthat: objectkey: stringgetter: (key: string,index: number,self: S,) => unknownoptionalgetName: (key: string, index: number) => stringoptionalindex = [UNSUPPORTED]Returnsvoid