export function saveSectionData(db: import("firebase/firestore").Firestore, sectionData: ChapterSection): Promise<import("firebase/firestore").DocumentReference<ChapterSection>>;
export function deleteSectionDatabyId(db: import("firebase/firestore").Firestore, sectionId: string): Promise<void>;
export function updateSectionData(db: import("firebase/firestore").Firestore, sectionId: string, updateData: any): Promise<void>;
export function uploadPdfAndGetUrl(pdfFile: File): Promise<string[]>;
export function getChapterSectionById(db: import("firebase/firestore").Firestore, sectionId: string): Promise<ChapterSection>;
export function deletePdf(filePath: string): Promise<void>;
import { ChapterSection } from "./index.js";
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