import { RpcResponse } from '../response';
/**
 * The base class for a connection related error. In case someone wants
 * to log and handle any connection related issues.
 */
export declare abstract class RpcConnectionError extends Error {
    name: string;
}
/**
 * Thrown when the connection attempt has failed for any reason. Most
 * likely because the server is not running, the server is unreachable,
 * the server is running on a different port, etc...
 */
export declare class RpcConnectionRefusedError extends RpcConnectionError {
}
/** Thrown when the connection is lost after you've successfully connected.
 *
 * @note In a stateless connection like HTTP this should happen after the request was sent out, but before the response has been returned.
 * @note In a stateful connection like websockets or IPC, this should be thrown any time after you've connected when the connection has been disconnected unexpectedly. */
export declare class RpcConnectionLostError extends RpcConnectionError {
}
/** Thrown when a response comes back with a code that is between 400 to 500 */
export declare class RpcRequestError<TEnd = unknown, TStream = unknown> extends Error {
    name: string;
    response?: RpcResponse<TEnd, TStream>;
    status: number;
    code: string;
    codeMessage: string;
    codeStack: string | null;
    constructor(response: RpcResponse<TEnd, TStream>, code: string, codeMessage: string, codeStack?: string);
}
/** Thrown when the request timeout has been exceeded and the request has been aborted */
export declare class RpcRequestTimeoutError<TEnd, TStream> extends RpcRequestError<TEnd, TStream> {
    constructor(response: RpcResponse<TEnd, TStream>, timeoutMs: number, route: string);
}
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