import { RequestManagerMiddleware } from 'web3-core';
import { Web3APIMethod, Web3APIReturnType, JsonRpcResponse, JsonRpcPayload } from 'web3-types';
export declare class Web3Middleware<API> implements RequestManagerMiddleware<API> {
    processRequest<ParamType = unknown[]>(request: JsonRpcPayload<ParamType>): Promise<JsonRpcPayload<ParamType>>;
    processResponse<Method extends Web3APIMethod<API>, ResponseType = Web3APIReturnType<API, Method>>(response: JsonRpcResponse<ResponseType>): Promise<JsonRpcResponse<ResponseType>>;
}
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