import type { DbOperation } from './types.ts';
interface CreateSessionParams {
    user_id: number;
    expires_in_days?: number;
}
interface Session {
    session_id: string;
    user_id: number;
    expires_at: Date;
    created_at: Date;
}
/**
 * Create a new session for a user
 * @param client Database client
 * @param params Session parameters
 * @returns The created session
 * @throws Error if user doesn't exist
 */
export declare const createSession: DbOperation<[CreateSessionParams], Session>;
export {};
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