/**
 * Resource Manager
 *
 * Manages worktree resource limits including count, disk usage,
 * stale detection, and automatic cleanup.
 */
import type { WorktreeManager } from "./manager.js";
import type { ResourceLimits, ResourceUsage, WorktreeMetrics, ResourceReport, Worktree, WorktreeStatus } from "../types.js";
export declare class ResourceManager {
    private readonly worktreeManager;
    private readonly limits;
    private readonly logger;
    constructor(worktreeManager: WorktreeManager, limits?: Partial<ResourceLimits>);
    /**
     * Get current resource usage.
     */
    getCurrentUsage(): Promise<ResourceUsage>;
    /**
     * Check if a new worktree can be allocated.
     */
    canAllocate(): Promise<{
        allowed: boolean;
        reason?: string;
    }>;
    /**
     * Get detailed metrics for all worktrees.
     */
    getAllWorktreeMetrics(): Promise<WorktreeMetrics[]>;
    /**
     * Get metrics for a specific worktree.
     */
    getWorktreeMetrics(worktreeId: string): Promise<WorktreeMetrics | null>;
    /**
     * Find stale worktrees (idle beyond threshold).
     */
    findStaleWorktrees(maxIdleTimeMs?: number): Worktree[];
    /**
     * Check if cleanup should be triggered.
     */
    shouldTriggerCleanup(): Promise<boolean>;
    /**
     * Cleanup stale worktrees.
     */
    cleanupStale(maxIdleTimeMs?: number): Promise<string[]>;
    /**
     * Cleanup worktrees by status.
     */
    cleanupByStatus(status: WorktreeStatus): Promise<string[]>;
    /**
     * Force cleanup specific worktrees.
     */
    forceCleanup(worktreeIds: string[]): Promise<{
        cleaned: string[];
        failed: string[];
    }>;
    /**
     * Get full resource report.
     */
    getReport(): Promise<ResourceReport>;
    /**
     * Calculate disk usage for a path in MB.
     *
     * Note: Uses execSync with shell for the du command. The dirPath parameter
     * is system-controlled (comes from WorktreeManager internal state) and is
     * quoted to prevent any injection. This is safe as worktree paths are
     * generated internally and not from user input.
     */
    private calculateDiskUsage;
    /**
     * Get the configured limits.
     */
    getLimits(): ResourceLimits;
}
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