import type { SessionData, SessionStoreContract } from './types.ts';
/**
 * Session client exposes the API to set session data as a client.
 * Useful for testing or programmatic session manipulation.
 *
 * @example
 * const client = new SessionClient(store)
 * client.merge({ userId: 123 })
 * client.flash({ success: 'Login successful' })
 * await client.commit()
 */
export declare class SessionClient {
    #private;
    /**
     * Session key used for storing flash messages
     */
    flashKey: string;
    /**
     * Session ID to use when no explicit session id is defined
     */
    sessionId: `${string}-${string}-${string}-${string}-${string}`;
    /**
     * Creates a new session client
     *
     * @param store - Session store contract implementation
     */
    constructor(store: SessionStoreContract);
    /**
     * Merges session data with existing values
     *
     * @param values - Session data to merge
     *
     * @example
     * client.merge({ userId: 123, theme: 'dark' })
     */
    merge(values: SessionData): this;
    /**
     * Merges flash messages with existing flash data
     *
     * @param values - Flash message data to merge
     *
     * @example
     * client.flash({ success: 'Operation completed', info: 'Check your email' })
     */
    flash(values: SessionData): this;
    /**
     * Commits data to the session store
     *
     * @example
     * await client.commit() // Saves all changes to the store
     */
    commit(): Promise<void>;
    /**
     * Destroys the session data from the store
     *
     * @param sessionId - Optional session ID to destroy (defaults to current session)
     *
     * @example
     * await client.destroy()           // Destroy current session
     * await client.destroy('abc123')   // Destroy specific session
     */
    destroy(sessionId?: string): Promise<void>;
    /**
     * Loads session data from the session store
     *
     * @param sessionId - Optional session ID to load (defaults to current session)
     *
     * @example
     * const { values, flashMessages } = await client.load()
     * const data = await client.load('abc123') // Load specific session
     */
    load(sessionId?: string): Promise<{
        values: any;
        flashMessages: any;
    }>;
}