/**
 * Astrid OAuth API Client
 *
 * Client for accessing Astrid tasks via OAuth 2.0 Client Credentials flow
 */
import type { AstridTask, AstridList } from '../types/index.js';
interface APIResponse<T = unknown> {
    success: boolean;
    data?: T;
    error?: string;
}
interface Comment {
    id: string;
    content: string;
    createdAt: string;
    authorId: string;
    authorEmail?: string;
}
interface CreateTaskData {
    title: string;
    description?: string;
    priority?: number;
    listId?: string;
    dueDateTime?: string;
}
interface UpdateTaskData {
    title?: string;
    description?: string;
    priority?: number;
    isCompleted?: boolean;
    dueDateTime?: string;
    assigneeId?: string | null;
}
export interface AstridOAuthConfig {
    baseUrl?: string;
    clientId?: string;
    clientSecret?: string;
}
export declare class AstridOAuthClient {
    private readonly baseUrl;
    private readonly clientId;
    private readonly clientSecret;
    private accessToken;
    private tokenExpiry;
    constructor(config?: AstridOAuthConfig);
    /**
     * Check if the client is properly configured
     */
    isConfigured(): boolean;
    /**
     * Obtain an access token using client credentials flow
     */
    private obtainAccessToken;
    /**
     * Make an authenticated API request
     */
    private makeRequest;
    /**
     * Get all lists accessible to the authenticated user
     */
    getLists(): Promise<APIResponse<AstridList[]>>;
    /**
     * Get a specific list by ID
     */
    getList(listId: string): Promise<APIResponse<AstridList>>;
    /**
     * Get all tasks, optionally filtered by list
     */
    getTasks(listId?: string, includeCompleted?: boolean): Promise<APIResponse<AstridTask[]>>;
    /**
     * Get a specific task by ID with comments
     */
    getTask(taskId: string): Promise<APIResponse<AstridTask>>;
    /**
     * Get comments for a task
     */
    getComments(taskId: string): Promise<APIResponse<Comment[]>>;
    /**
     * Create a new task
     */
    createTask(taskData: CreateTaskData): Promise<APIResponse<AstridTask>>;
    /**
     * Update an existing task
     */
    updateTask(taskId: string, updates: UpdateTaskData): Promise<APIResponse<AstridTask>>;
    /**
     * Mark a task as complete
     */
    completeTask(taskId: string): Promise<APIResponse<AstridTask>>;
    /**
     * Reassign a task to a different user
     * @param taskId - The task ID
     * @param assigneeId - The user ID to assign to, or null to unassign
     */
    reassignTask(taskId: string, assigneeId: string | null): Promise<APIResponse<AstridTask>>;
    /**
     * Add a comment to a task
     * @param taskId - The task ID to add the comment to
     * @param content - The comment content
     * @param aiAgentId - Optional AI agent user ID to post the comment as
     */
    addComment(taskId: string, content: string, aiAgentId?: string): Promise<APIResponse<Comment>>;
    /**
     * Get AI agent user ID by email
     * Used to post comments as the AI agent instead of the OAuth client owner
     */
    getAgentIdByEmail(email: string): Promise<string | null>;
    /**
     * Test the connection to the API
     */
    testConnection(): Promise<APIResponse>;
}
export type { APIResponse, Comment, CreateTaskData, UpdateTaskData };
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