/**
 * JSON-RPC 2.0 protocol constants and shared types.
 *
 * Single source of truth for the wire-level representation every
 * JSON-RPC transport in this codebase consumes:
 *   - Parse helpers (`json-rpc-parse.ts`, Phase 8)
 *   - Dispatcher (`json-rpc-dispatch.ts`, Phase 8)
 *   - HTTP adapter (`json-rpc-http.ts`, Phase 11)
 *   - WebSocket adapter (`json-rpc-websocket.ts`, Phase 12)
 *   - Runtime stdio session (`stdio-session.ts`, Phase 13)
 *
 * Reserved-spec error codes (-32700..-32603) keep their JSON-RPC 2.0
 * meanings. Weft domain codes live in the -32010..-32099 band; this stable
 * error-code allocation preserves compatibility across JSON-RPC transports.
 */
/** Literal `"2.0"` — the only `jsonrpc` version this runtime accepts. */
export declare const JSON_RPC_VERSION: "2.0";
export type JsonRpcVersion = typeof JSON_RPC_VERSION;
/**
 * Error codes carried on the wire in `JsonRpcError.code`.
 *
 * Reserved band (-32700..-32603) — JSON-RPC 2.0 spec.
 * Weft domain band (-32010..-32099) — see `OperationFault` +
 *   `fault-to-json-rpc.ts` for the mapping to `FaultCode`.
 */
export declare const JSON_RPC_ERROR_CODES: Readonly<{
    readonly PARSE_ERROR: -32700;
    readonly INVALID_REQUEST: -32600;
    readonly METHOD_NOT_FOUND: -32601;
    readonly INVALID_PARAMS: -32602;
    readonly INTERNAL_ERROR: -32603;
    readonly UNAUTHORIZED: -32010;
    readonly FORBIDDEN: -32011;
    readonly NOT_FOUND: -32020;
    readonly CONFLICT: -32021;
    readonly UNPROCESSABLE: -32022;
    readonly TIMEOUT: -32023;
    readonly RATE_LIMITED: -32024;
    readonly NOT_IMPLEMENTED: -32025;
    readonly UNSUPPORTED_TRANSPORT: -32030;
    readonly SUBSCRIPTION_OVERFLOW: -32031;
    readonly ENGINE_FAILURE: -32099;
}>;
export type JsonRpcErrorCode = (typeof JSON_RPC_ERROR_CODES)[keyof typeof JSON_RPC_ERROR_CODES];
/**
 * A JSON-RPC request id. The spec allows string, number, or null.
 * `null` is only valid when returned in error responses for requests
 * whose id could not be parsed.
 */
export type JsonRpcId = string | number | null;
/** Total runtime guard for `JsonRpcId`. Rejects NaN, Infinity, booleans, objects. */
export declare function isValidJsonRpcId(value: unknown): value is JsonRpcId;
/** Raw JSON-RPC request shape (pre-parse, as it arrives on the wire). */
export type JsonRpcRequest = {
    readonly jsonrpc: JsonRpcVersion;
    readonly method: string;
    readonly params?: Record<string, unknown> | undefined;
    readonly id?: JsonRpcId | undefined;
};
/** JSON-RPC success response. */
export type JsonRpcSuccessResponse = {
    readonly jsonrpc: JsonRpcVersion;
    readonly result: unknown;
    readonly id: JsonRpcId;
};
/** JSON-RPC error response. */
export type JsonRpcErrorResponse = {
    readonly jsonrpc: JsonRpcVersion;
    readonly error: {
        readonly code: number;
        readonly message: string;
        readonly data?: unknown;
    };
    readonly id: JsonRpcId;
};
export type JsonRpcResponse = JsonRpcSuccessResponse | JsonRpcErrorResponse;