import { ParamChange, ParamChangeSDKType } from "./params";
import { BinaryReader, BinaryWriter } from "../../../binary";
import { TxRpc } from "../../../types";
import { QueryClient } from "@cosmjs/stargate";
export declare const protobufPackage = "cosmos.params.v1beta1";
/** QueryParamsRequest is request type for the Query/Params RPC method. */
export interface QueryParamsRequest {
    /** subspace defines the module to query the parameter for. */
    subspace: string;
    /** key defines the key of the parameter in the subspace. */
    key: string;
}
/** QueryParamsRequest is request type for the Query/Params RPC method. */
export interface QueryParamsRequestSDKType {
    subspace: string;
    key: string;
}
/** QueryParamsResponse is response type for the Query/Params RPC method. */
export interface QueryParamsResponse {
    /** param defines the queried parameter. */
    param: ParamChange | undefined;
}
/** QueryParamsResponse is response type for the Query/Params RPC method. */
export interface QueryParamsResponseSDKType {
    param: ParamChangeSDKType | undefined;
}
export declare const QueryParamsRequest: {
    typeUrl: string;
    encode(message: QueryParamsRequest, writer?: BinaryWriter): BinaryWriter;
    decode(input: BinaryReader | Uint8Array, length?: number): QueryParamsRequest;
    fromJSON(object: any): QueryParamsRequest;
    toJSON(message: QueryParamsRequest): unknown;
    fromPartial<I extends Partial<QueryParamsRequest> & {
        subspace?: string;
        key?: string;
    } & Record<Exclude<keyof I, keyof QueryParamsRequest>, never>>(object: I): QueryParamsRequest;
};
export declare const QueryParamsResponse: {
    typeUrl: string;
    encode(message: QueryParamsResponse, writer?: BinaryWriter): BinaryWriter;
    decode(input: BinaryReader | Uint8Array, length?: number): QueryParamsResponse;
    fromJSON(object: any): QueryParamsResponse;
    toJSON(message: QueryParamsResponse): unknown;
    fromPartial<I extends Partial<QueryParamsResponse> & {
        param?: ParamChange & {
            subspace: string;
            key: string;
            value: string;
        } & Record<Exclude<keyof I["param"], keyof ParamChange>, never>;
    } & Record<Exclude<keyof I, "param">, never>>(object: I): QueryParamsResponse;
};
/** Query defines the gRPC querier service. */
export interface Query {
    /**
     * Params queries a specific parameter of a module, given its subspace and
     * key.
     */
    Params(request: QueryParamsRequest): Promise<QueryParamsResponse>;
}
export declare class QueryClientImpl implements Query {
    private readonly rpc;
    constructor(rpc: TxRpc);
    Params(request: QueryParamsRequest): Promise<QueryParamsResponse>;
}
export declare const createRpcQueryExtension: (base: QueryClient) => {
    Params(request: QueryParamsRequest): Promise<QueryParamsResponse>;
};