/**
 * Task deletion (soft delete to archive).
 * @task T4461
 * @epic T4454
 */
import type { Task, TaskRecord } from '@cleocode/contracts';
import { type EngineResult } from '../engine-result.js';
import type { DataAccessor } from '../store/data-accessor.js';
/** Options for deleting a task. */
export interface DeleteTaskOptions {
    taskId: string;
    force?: boolean;
    cascade?: boolean;
}
/** Result of deleting a task. */
export interface DeleteTaskResult {
    deletedTask: Task;
    cascadeDeleted?: string[];
}
/**
 * Delete a task (soft delete - moves to archive).
 * @task T4461
 */
export declare function deleteTask(options: DeleteTaskOptions, cwd?: string, accessor?: DataAccessor): Promise<DeleteTaskResult>;
/**
 * Delete a task, wrapped in EngineResult.
 *
 * @param projectRoot - Absolute path to the project root
 * @param taskId - Task identifier to delete
 * @param force - When true, enables cascade deletion of children
 * @returns EngineResult with the deleted task record and optional cascade info
 *
 * @task T1568
 * @epic T1566
 */
export declare function taskDelete(projectRoot: string, taskId: string, force?: boolean): Promise<EngineResult<{
    deletedTask: TaskRecord;
    deleted: boolean;
    cascadeDeleted?: string[];
}>>;
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