import type { CortexEvent } from './event-bridge.js';
import type { CortexLogger, PromptWatchdogDiagnosticsConfig } from './types.js';
interface PromptStartMeta {
    inputLength: number;
    messageCount: number;
    provider: string;
    modelId: string;
}
interface PromptFinishMeta {
    status: 'resolved' | 'rejected' | 'cancelled';
    durationMs: number;
    turns: number;
    totalCost: number;
    currentContextTokens: number;
    pendingBackgroundResults: number;
}
interface PromptDiagnosticsCallbacks {
    isPrompting: () => boolean;
    isAbortRequested: () => boolean;
}
export declare class PromptWatchdogDiagnostics {
    private readonly logger;
    private readonly enabled;
    private readonly heartbeatIntervalMs;
    private readonly abortWaitWarningMs;
    private readonly callbacks;
    private readonly sessionId;
    private sequence;
    private activePrompt;
    private heartbeatTimer;
    private abortWaitTimer;
    private abortWaitStartedAt;
    constructor(config: PromptWatchdogDiagnosticsConfig | undefined, logger: CortexLogger | undefined, callbacks: PromptDiagnosticsCallbacks);
    startPrompt(meta: PromptStartMeta): void;
    recordEvent(event: CortexEvent): void;
    recordAbortRequested(): void;
    startAbortWait(): void;
    finishAbortWait(): void;
    finishPrompt(meta: PromptFinishMeta): void;
    stop(): void;
    private emitHeartbeat;
    private currentPromptId;
    private stopHeartbeat;
    private stopAbortWait;
}
export {};
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