/**
 * Base Sunsama client
 *
 * Provides core HTTP infrastructure, authentication, session management,
 * and task ID generation. Extended by domain-specific method classes.
 */
import type { GraphQLRequest, GraphQLResponse, SunsamaClientConfig } from '../types/index.js';
export declare abstract class SunsamaClientBase {
    protected static readonly BASE_URL = "https://api.sunsama.com";
    private readonly config;
    private readonly cookieJar;
    protected userId?: string;
    protected groupId?: string;
    protected timezone?: string;
    /**
     * Creates a new Sunsama client instance
     *
     * @param config - Client configuration options (optional)
     */
    constructor(config?: SunsamaClientConfig);
    /**
     * Gets the current client configuration
     */
    getConfig(): SunsamaClientConfig;
    /**
     * Checks if the client is authenticated
     *
     * @returns True if a session cookie is present in the jar
     */
    isAuthenticated(): Promise<boolean>;
    /**
     * Returns the current session token, or undefined if not authenticated
     *
     * @returns The session token string, or undefined
     */
    getSessionToken(): Promise<string | undefined>;
    /**
     * Authenticates with email and password
     *
     * @param email - User email address
     * @param password - User password
     * @throws SunsamaAuthError if login fails
     */
    login(email: string, password: string): Promise<void>;
    /**
     * Clears all cookies from the jar and cached user data
     */
    logout(): void;
    /**
     * Makes an authenticated request to the Sunsama API
     *
     * @param path - The API endpoint path (e.g., '/graphql')
     * @param options - Request options
     * @returns The response from the API
     * @internal
     */
    private request;
    /**
     * Makes a GraphQL request to the Sunsama API
     *
     * @param request - The GraphQL request
     * @returns The GraphQL response
     * @internal
     */
    protected graphqlRequest<T, TVariables = Record<string, unknown>>(request: GraphQLRequest<TVariables>): Promise<GraphQLResponse<T>>;
    /**
     * Sets a session token as a cookie in the jar
     *
     * @param token - The session token to set
     * @internal
     */
    private setSessionTokenAsCookie;
    /**
     * Generates a unique task ID in MongoDB ObjectId format
     *
     * This method creates a 24-character hexadecimal string following MongoDB ObjectId conventions:
     * - First 8 chars: Unix timestamp (4 bytes)
     * - Next 10 chars: Random value (5 bytes)
     * - Last 6 chars: Incrementing counter (3 bytes)
     *
     * @returns A 24-character hexadecimal string compatible with Sunsama's task ID format
     * @example
     * ```typescript
     * const taskId = SunsamaClient.generateTaskId();
     * console.log(taskId); // "507f1f77bcf86cd799439011"
     * ```
     */
    static generateTaskId(): string;
    private static _counter;
    /**
     * Gets a random value for ObjectId generation (5 bytes = 10 hex chars)
     * @internal
     */
    private static getRandomValue;
    /**
     * Gets the next counter value for ID generation (3 bytes = 6 hex chars)
     * @internal
     */
    private static getNextCounter;
}
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