/**
 * Task Repository Interface
 *
 * Contract for task data access operations.
 * Implementations may use MCP, Neo4j, or Zep Cloud as backend.
 */
import { ITask, ITaskInput, ITaskUpdate, ITaskCounts } from '../types/ITask';
import { IQueryOptions, ITaskQueryResult } from './types';
/**
 * Task repository read operations.
 */
export interface ITaskRepositoryReader {
    /**
     * Find tasks by group IDs with optional filtering and sorting.
     * @param groupIds - Group IDs to search (hierarchical)
     * @param options - Query options (sort, limit, etc.)
     */
    findByGroupIds(groupIds: readonly string[], options?: IQueryOptions): Promise<ITaskQueryResult>;
    /**
     * Find a task by its key.
     * @param groupId - Group ID containing the task
     * @param taskKey - Task key/identifier
     */
    findByKey(groupId: string, taskKey: string): Promise<ITask | null>;
    /**
     * Find tasks by status.
     * @param groupIds - Group IDs to search
     * @param status - Status to filter by
     * @param options - Additional options
     */
    findByStatus(groupIds: readonly string[], status: ITask['status'], options?: Omit<IQueryOptions, 'tags'>): Promise<ITaskQueryResult>;
    /**
     * Get task counts by status.
     * @param groupIds - Group IDs to count
     */
    getCounts(groupIds: readonly string[]): Promise<ITaskCounts>;
}
/**
 * Task repository write operations.
 */
export interface ITaskRepositoryWriter {
    /**
     * Create a new task.
     * @param groupId - Group ID to create in
     * @param task - Task input data
     */
    create(groupId: string, task: ITaskInput): Promise<ITask>;
    /**
     * Update an existing task.
     * @param groupId - Group ID containing the task
     * @param taskKey - Task key/identifier
     * @param updates - Fields to update
     */
    update(groupId: string, taskKey: string, updates: ITaskUpdate): Promise<ITask>;
    /**
     * Delete a task.
     * @param groupId - Group ID containing the task
     * @param taskKey - Task key/identifier
     */
    delete(groupId: string, taskKey: string): Promise<void>;
}
/**
 * Task repository capabilities.
 */
export interface ITaskRepositoryCapabilities {
    /**
     * Check if this repository supports write operations.
     * Neo4j direct is read-only; MCP and Zep support writes.
     */
    supportsWrite(): boolean;
    /**
     * Check if this repository supports task counts aggregation.
     * Neo4j is most efficient for this.
     */
    supportsAggregation(): boolean;
}
/**
 * Complete task repository interface.
 */
export interface ITaskRepository extends ITaskRepositoryReader, ITaskRepositoryWriter, ITaskRepositoryCapabilities {
}
/**
 * Read-only task repository (e.g., Neo4j direct).
 */
export interface IReadOnlyTaskRepository extends ITaskRepositoryReader, ITaskRepositoryCapabilities {
}
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