/**
 * Response DTO for getting session ID
 *
 * Used to return just the session ID from the current request context.
 * Session ID is extracted from JWT token payload after authentication.
 *
 * @example
 * ```typescript
 * const result = await clientInfoService.getSessionId();
 * // Returns: { sessionId: 123 } or { sessionId: undefined }
 * ```
 */
/**
 * Response DTO for session ID
 */
export declare class GetSessionIdResponseDTO {
    /**
     * Current session ID (if available from authenticated request)
     *
     * Extracted from JWT token payload after authentication.
     * Optional - undefined if not available.
     */
    sessionId?: number;
}
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