export namespace courseConverter {
    function fromFirestore(snapshot: any): Course;
    function toFirestore(course: any): any;
}
export function saveCourse(db: import("firebase/firestore").Firestore, courseData: Course): Promise<import("firebase/firestore").DocumentReference<Course>>;
export function getCourseById(db: import("firebase/firestore").Firestore, courseId: string): Promise<Course>;
export function AdmingetAllCourseInfo(db: import("firebase/firestore").Firestore): Promise<Array<Course>>;
export function UsergetAllCourseInfo(db: import("firebase/firestore").Firestore): Promise<Array<Course>>;
export function deleteCourseById(db: import("firebase/firestore").Firestore, courseId: string): Promise<void>;
export function getChaptersByCourseId(db: import("firebase/firestore").Firestore, courseId: string): Promise<Array<Chapters>>;
export function updateChapterWithCourseId(db: import("firebase/firestore").Firestore, courseId: string, updatedChapter: any): Promise<void>;
export function updateAllChapterByCourseId(db: import("firebase/firestore").Firestore, courseId: string, chapters: any[]): Promise<void>;
export function addChapterToCourse(db: import("firebase/firestore").Firestore, courseId: string, newChapter: any): Promise<any[]>;
export function uploadImageAndGetUrl(imageFile: File): Promise<string[]>;
export function updateCourseWithoutChapterWithCourseId(db: import("firebase/firestore").Firestore, courseId: string, courseData: Partial<Course>): Promise<void>;
import { Course } from "./index.js";
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