import { type Task } from '../../../core/task-parser.js';
declare function withTaskFileMutationLock<T>(project: string, mutate: () => T): T;
declare function withTaskFileMutationLocks<T>(projects: string[], mutate: () => T): T;
declare function taskFileProjects(): string[];
declare function withTaskFileMutationLockAsync<T>(project: string, mutate: () => Promise<T>): Promise<T>;
declare function sweepTaskOrphans(tasksPath: string): void;
declare const VALID_PRIORITIES: Set<string>;
declare function _resetTemplateNameCacheForTests(): void;
declare function validateTemplateName(name: string): string | null;
declare function getTasksPath(project: string): string;
declare function readTasks(project: string): Task[];
declare function writeTasks(project: string, tasks: Task[]): void;
declare function findTaskById(tasks: Task[], taskId: string): Task | undefined;
declare function findTask(tasks: Task[], taskText: string | null, taskId: string | null): {
    task: Task;
    index: number;
} | {
    error: string;
};
declare function clearDependsOnAll(completedHash: string): {
    count: number;
    tasks: {
        taskId: string | null;
        project: string;
        preview: string;
    }[];
};
type TaskLineTransformResult = {
    success: true;
    message?: string;
    [k: string]: any;
} | {
    success: false;
    message: string;
};
declare const editTask: (project: string, options?: any) => TaskLineTransformResult;
export { VALID_PRIORITIES, _resetTemplateNameCacheForTests, clearDependsOnAll, editTask, findTask, findTaskById, getTasksPath, readTasks, sweepTaskOrphans, taskFileProjects, validateTemplateName, withTaskFileMutationLock, withTaskFileMutationLockAsync, withTaskFileMutationLocks, writeTasks, };
export type { TaskLineTransformResult };