import { type ProjectConnectionState } from '../lib/event-stream';
export type ProjectConnectionStatus = 'connected' | 'reconnecting' | 'disconnected';
/**
 * Derives the user-facing connection status purely from the raw multiplexer
 * state. `attempt` counts consecutive failed connection attempts, so a fresh
 * connect (`connecting` with attempt 0) is healthy and shows nothing, while
 * accumulated failures escalate reconnecting -> disconnected.
 */
export declare function deriveProjectConnectionStatus(state: ProjectConnectionState): ProjectConnectionStatus;
/**
 * Active-project connection controller. Subscribes to the multiplexed SSE
 * connection state, exposes a derived status plus a manual retry that runs
 * the full transport/authorization recovery path, and reconciles all
 * event-maintained project queries once per successful reconnect transition.
 */
export declare function useProjectConnection(): {
    state: ProjectConnectionState;
    status: ProjectConnectionStatus;
    retry: () => void;
    retryPending: boolean;
};
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