import { PageRequest } from "cosmjs-types/cosmos/base/query/v1beta1/pagination";
import { QueryClient } from "@cosmjs/stargate";
import { Grant } from "cosmjs-types/cosmos/authz/v1beta1/authz";
/**
 * Represents the Authz extension to be used on QueryClient instances.
 */
export interface AuthzV1Beta1Extension {
    readonly authz: {
        readonly grants: (granter: string, grantee: string, msgTypeUrl?: string, pagination?: PageRequest) => Promise<Grant[] | undefined>;
    };
}
/**
 * Setups the Authz extension on the given base QueryClient.
 * @param base
 */
export declare function setupAuthzV1Beta1Extension(base: QueryClient): AuthzV1Beta1Extension;