/**
 * A grouping of related lessons within a course, used to organize content into sections.
 */
export interface CourseChapter {
    /** The unique identifier for the chapter. */
    id: string;
    /** An ordered list of lessons in this chapter, sorted by display position. Hidden lessons are excluded for non-admin users. */
    lessons: CourseChapter.Lessons.Item[];
    /** The sort position of this chapter within its parent course, starting from zero. */
    order: number;
    /** The display name of the chapter shown to students. Maximum 150 characters. */
    title: string;
}
export declare namespace CourseChapter {
    type Lessons = Lessons.Item[];
    namespace Lessons {
        /**
         * An individual learning unit within a chapter, which can contain text, video, PDF, or assessment content.
         */
        interface Item {
            /** The unique identifier for the lesson. */
            id: string;
            /** The sort position of this lesson within its parent chapter, starting from zero. */
            order: number;
            /** The display name of the lesson shown to students. Maximum 120 characters. */
            title: string;
        }
    }
}