/**
 * 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",
    /** A source-control guard refused a mutating bridge call before it ran
     *  (e.g. the target is checked out by another user, or checkout failed). */
    WRITE_BLOCKED = "WRITE_BLOCKED",
    /** Another session holds the exclusive lock on an asset this call would
     *  mutate. Retryable: the holder's lease expires or it releases the lock. */
    ASSET_LOCKED = "ASSET_LOCKED"
}
/**
 * Machine-readable companion to an error message. `outcome` is what the caller
 * needs before deciding to retry: "failed" means the call never ran, "unknown"
 * means it may have run to completion and the client stopped waiting (#799).
 */
export interface McpErrorDetails {
    outcome?: "failed" | "unknown";
    /** Bridge request id the editor logs the late reply under. */
    operationId?: string;
    method?: string;
    [key: string]: unknown;
}
export declare class McpError extends Error {
    readonly code: ErrorCode;
    readonly details?: McpErrorDetails | undefined;
    constructor(code: ErrorCode, message: string, details?: McpErrorDetails | undefined);
}