/**
 * Weavetab — sensors/operation_monitor.ts
 * Intelligent operation monitoring for detecting and resolving tool execution lag.
 * Detects when operations hang inside tool execution and provides adaptive bail-out.
 * Weavetab by fy2ne
 */
export interface OperationPhase {
    name: string;
    startTime: number;
    endTime?: number;
    duration?: number;
    completed: boolean;
    warning?: string;
}
export interface OperationDiagnostics {
    toolName: string;
    totalDuration: number;
    phases: OperationPhase[];
    bottlenecks: string[];
    health: "healthy" | "degraded" | "critical";
    bailOutReason?: string;
}
declare class OperationMonitor {
    private activeOperations;
    private readonly PHASE_THRESHOLDS;
    private readonly BAIL_OUT_THRESHOLDS;
    private readonly TOTAL_OPERATION_TIMEOUT;
    /**
     * Start monitoring a new tool operation
     */
    startOperation(operationId: string, toolName: string): void;
    /**
     * Record the start of a specific phase within an operation
     */
    startPhase(operationId: string, phaseName: string): void;
    /**
     * Record the completion of a specific phase
     */
    endPhase(operationId: string, phaseName: string, warning?: string): void;
    /**
     * End operation monitoring and return diagnostics
     */
    endOperation(operationId: string): OperationDiagnostics | null;
    /**
     * Check if an operation should bail out with degraded results
     */
    shouldBailOut(operationId: string): {
        shouldBail: boolean;
        reason?: string;
    };
    /**
     * Get current operation status for diagnostics
     */
    getOperationStatus(operationId: string): {
        toolName: string;
        duration: number;
        currentPhase: string;
        health: "healthy" | "degraded" | "critical";
    } | null;
    /**
     * Periodic health check for active operations
     */
    private checkOperationHealth;
    /**
     * Identify bottlenecks in operation phases
     */
    private identifyBottlenecks;
    /**
     * Determine overall operation health
     */
    private determineHealth;
    /**
     * Clear every active diagnostics timer. Registered on process exit events so
     * that a tool crashing before endOperation() can't leave an interval firing
     * every second and pinning the Node.js event loop.
     */
    cleanupAll(): void;
}
export declare const operationMonitor: OperationMonitor;
export {};