export declare const JSONRPC_VERSION = "2.0";
export type JsonRpcMessage = {
    input: {
        jsonrpc: typeof JSONRPC_VERSION;
        method: string;
        params: any;
        id: number;
    };
    output: {
        jsonrpc: typeof JSONRPC_VERSION;
        result?: any;
        error?: {
            code: number;
            message: string;
        };
        id: number | null;
    };
};
export type JsonRpcResolver = (input: JsonRpcMessage['input'], originalHeaders?: Record<string, string>) => Promise<JsonRpcMessage['output']>;
export declare function internalError(message?: string, id?: number | null): JsonRpcMessage['output'];
export declare function invalidRequest(id?: number | null): JsonRpcMessage['output'];
export declare function serverError(message?: string, id?: number | null): JsonRpcMessage['output'];
export declare function methodNotFound(id?: number | null): JsonRpcMessage['output'];
export declare function success(result: any, id?: number | null): JsonRpcMessage['output'];
export declare function isJsonRpcObject(obj: any): boolean;