Type alias Lesson

Lesson: Omit<<internal>.Lesson, "topics" | "lessons"> & {
    active_from?: string;
    active_to?: string;
    course_id: number;
    created_at: string;
    duration: string;
    id: number;
    isNew?: boolean;
    lessons?: API.Lesson[];
    order: number;
    summary?: string;
    title: string;
    topics?: API.Topic[];
    updated_at?: string;
}