import type { BackgroundTask, LaunchInput } from "./types";
import type { QueueItem } from "./constants";
export declare class TaskStateManager {
    readonly tasks: Map<string, BackgroundTask>;
    readonly notifications: Map<string, BackgroundTask[]>;
    readonly pendingByParent: Map<string, Set<string>>;
    readonly queuesByKey: Map<string, QueueItem[]>;
    readonly processingKeys: Set<string>;
    readonly completionTimers: Map<string, ReturnType<typeof setTimeout>>;
    getTask(id: string): BackgroundTask | undefined;
    findBySession(sessionID: string): BackgroundTask | undefined;
    getTasksByParentSession(sessionID: string): BackgroundTask[];
    getAllDescendantTasks(sessionID: string): BackgroundTask[];
    getRunningTasks(): BackgroundTask[];
    getNonRunningTasks(): BackgroundTask[];
    hasRunningTasks(): boolean;
    getConcurrencyKeyFromInput(input: LaunchInput): string;
    getConcurrencyKeyFromTask(task: BackgroundTask): string;
    addTask(task: BackgroundTask): void;
    removeTask(taskId: string): void;
    trackPendingTask(parentSessionID: string, taskId: string): void;
    cleanupPendingByParent(task: BackgroundTask): void;
    markForNotification(task: BackgroundTask): void;
    getPendingNotifications(sessionID: string): BackgroundTask[];
    clearNotifications(sessionID: string): void;
    clearNotificationsForTask(taskId: string): void;
    addToQueue(key: string, item: QueueItem): void;
    getQueue(key: string): QueueItem[] | undefined;
    removeFromQueue(key: string, taskId: string): boolean;
    setCompletionTimer(taskId: string, timer: ReturnType<typeof setTimeout>): void;
    clearCompletionTimer(taskId: string): void;
    clearAllCompletionTimers(): void;
    clear(): void;
    cancelPendingTask(taskId: string): boolean;
}