/**
 * Structured error codes for the MCP bridge.
 * Allows callers to distinguish error types without string-matching.
 */
export declare enum ErrorCode {
    NOT_CONNECTED = "NOT_CONNECTED",
    BRIDGE_TIMEOUT = "BRIDGE_TIMEOUT",
    BRIDGE_ERROR = "BRIDGE_ERROR",
    CONNECTION_LOST = "CONNECTION_LOST",
    UNKNOWN_ACTION = "UNKNOWN_ACTION",
    NO_HANDLER = "NO_HANDLER",
    PROJECT_NOT_LOADED = "PROJECT_NOT_LOADED",
    NOT_FOUND = "NOT_FOUND",
    INVALID_PARAMS = "INVALID_PARAMS"
}
export declare class McpError extends Error {
    readonly code: ErrorCode;
    constructor(code: ErrorCode, message: string);
}