import { AtomicTask, TaskStatus, TaskPriority, TaskType, FunctionalArea } from '../../types/task.js';
import { FileOperationResult } from '../../utils/file-utils.js';
export interface CreateTaskParams {
    title: string;
    description: string;
    projectId: string;
    epicId?: string;
    priority?: TaskPriority;
    type?: TaskType;
    functionalArea?: FunctionalArea;
    estimatedHours?: number;
    filePaths?: string[];
    acceptanceCriteria?: string[];
    tags?: string[];
    assignedAgent?: string;
}
export interface UpdateTaskParams {
    title?: string;
    description?: string;
    status?: TaskStatus;
    priority?: TaskPriority;
    type?: TaskType;
    estimatedHours?: number;
    actualHours?: number;
    filePaths?: string[];
    acceptanceCriteria?: string[];
    tags?: string[];
    assignedAgent?: string;
}
export interface TaskQueryParams {
    projectId?: string;
    epicId?: string;
    status?: TaskStatus;
    priority?: TaskPriority;
    type?: TaskType;
    assignedAgent?: string;
    tags?: string[];
    createdAfter?: Date;
    createdBefore?: Date;
    limit?: number;
    offset?: number;
}
export interface CreateEpicParams {
    title: string;
    description: string;
    projectId: string;
    priority?: TaskPriority;
    estimatedHours?: number;
    tags?: string[];
}
export declare class TaskOperations {
    private static instance;
    private securityEngine;
    private constructor();
    private acquireLock;
    private releaseLock;
    private sanitizeData;
    static getInstance(): TaskOperations;
    static resetInstance(): void;
    createTask(params: CreateTaskParams, createdBy?: string): Promise<FileOperationResult<AtomicTask>>;
    getTask(taskId: string): Promise<FileOperationResult<AtomicTask>>;
    updateTask(taskId: string, params: UpdateTaskParams, updatedBy?: string): Promise<FileOperationResult<AtomicTask>>;
    deleteTask(taskId: string, deletedBy?: string): Promise<FileOperationResult<void>>;
    listTasks(query?: TaskQueryParams): Promise<FileOperationResult<AtomicTask[]>>;
    searchTasks(searchQuery: string, query?: TaskQueryParams): Promise<FileOperationResult<AtomicTask[]>>;
    private validateCreateTaskParams;
    private validateUpdateTaskParams;
    private applyTaskFilters;
    updateTaskStatus(taskId: string, status: TaskStatus, updatedBy?: string): Promise<FileOperationResult<AtomicTask>>;
    updateTaskMetadata(taskId: string, metadata: Record<string, unknown>, updatedBy?: string): Promise<FileOperationResult<AtomicTask>>;
    getTaskStatus(taskId: string): Promise<FileOperationResult<TaskStatus>>;
    getTaskMetadata(taskId: string): Promise<FileOperationResult<Record<string, unknown>>>;
    addTaskTags(taskId: string, tags: string[], updatedBy?: string): Promise<FileOperationResult<AtomicTask>>;
    removeTaskTags(taskId: string, tags: string[], updatedBy?: string): Promise<FileOperationResult<AtomicTask>>;
}
export declare function getTaskOperations(): TaskOperations;
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