/**
 * Era-aware JSON-RPC error mapping.
 *
 * The 2026-07-28 revision changed the error for a missing resource
 * (SEP-2164): `resources/read` on an unknown URI now returns `-32602`
 * (Invalid Params) instead of the 2025-era `-32002` (Resource Not Found).
 * NitroStack keeps the 2025 mapping on the legacy path; the modern adapter
 * uses `mapToJsonRpcError` so its handlers throw the right code.
 *
 * @module
 */
/** Standard JSON-RPC / MCP error codes. */
export declare const JSON_RPC: {
    readonly PARSE_ERROR: -32700;
    readonly INVALID_REQUEST: -32600;
    readonly METHOD_NOT_FOUND: -32601;
    readonly INVALID_PARAMS: -32602;
    readonly INTERNAL_ERROR: -32603;
    /** SEP-2243: request header/body mismatch. */
    readonly HEADER_BODY_MISMATCH: -32020;
};
/** A JSON-RPC error object. */
export interface JsonRpcError {
    code: number;
    message: string;
    data?: unknown;
}
/**
 * Map a thrown error to a JSON-RPC error for the modern (2026-07-28) path.
 *
 * Key difference vs legacy: `ResourceNotFoundError` → `-32602` (SEP-2164).
 */
export declare function mapToJsonRpcError(error: unknown): JsonRpcError;
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