Get Name of All Query Routes or Mutation Routes

export type MutationRoutes = {
  [K in RouteNames]: TRPCProxyClientType[K] extends {
    mutate: (...args: any[]) => any;
  }
    ? K
    : never;
}[RouteNames];

// This expression is not callable.
const manageTRPCMutationForXState = async <T extends MutationRoutes>(name: T) => {
const mutator = trpcProxyClient[name];
mutator.mutate()
...
}

const mutator = trpcProxyClient[name as MutationRoutes];