/**
 * Label management core module.
 * @task T4538
 * @epic T4454
 */
import { type EngineResult } from '../engine-result.js';
import type { DataAccessor } from '../store/data-accessor.js';
interface LabelInfo {
    label: string;
    count: number;
    statuses: Record<string, number>;
}
/** List all labels with task counts. */
export declare function listLabels(cwd?: string, accessor?: DataAccessor): Promise<LabelInfo[]>;
/** Show tasks with a specific label. */
export declare function showLabelTasks(label: string, cwd?: string, accessor?: DataAccessor): Promise<Record<string, unknown>>;
/** Get detailed label statistics. */
export declare function getLabelStats(cwd?: string, accessor?: DataAccessor): Promise<Record<string, unknown>>;
/**
 * List all labels used in tasks, wrapped in EngineResult.
 *
 * @param projectRoot - Absolute path to the project root
 * @returns EngineResult with labels array and count
 *
 * @task T1568
 * @epic T1566
 */
export declare function taskLabelList(projectRoot: string): Promise<EngineResult<{
    labels: unknown[];
    count: number;
}>>;
/**
 * Show tasks associated with a label, wrapped in EngineResult.
 *
 * @param projectRoot - Absolute path to the project root
 * @param label - Label to look up
 * @returns EngineResult with tasks for this label
 *
 * @task T1568
 * @epic T1566
 */
export declare function taskLabelShow(projectRoot: string, label: string): Promise<EngineResult<Record<string, unknown>>>;
export {};
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