function mapKeysimport { mapKeys } from "https://deno.land/x/rambda@9.2.1/files/index.d.ts"; mapKeys<T, U>(changeKeyFn: (x: string) => string, obj: { [key: string]: T; }): UmapKeys<T, U>(changeKeyFn: (x: string) => string): (obj: { [key: string]: T; }) => UType ParametersTUParameterschangeKeyFn: (x: string) => stringobj: { [key: string]: T; }ReturnsUType ParametersTUParameterschangeKeyFn: (x: string) => stringReturns(obj: { [key: string]: T; }) => U