import { Section } from "../models/Section";
import { SectionRepository } from "../repositories/SectionRepository";
export interface CreateSectionDTO {
    courseId: string;
    title: string;
    description?: string;
    orderIndex?: number;
}
export interface UpdateSectionDTO {
    title?: string;
    description?: string;
    orderIndex?: number;
}
export declare class SectionService {
    private sectionRepository;
    constructor(sectionRepository: SectionRepository);
    /**
     * Create a new section
     */
    createSection(data: CreateSectionDTO): Promise<Section>;
    /**
     * Get a section by ID
     */
    getSection(id: string): Promise<Section | null>;
    /**
     * Get all sections for a course
     */
    getSectionsByCourseId(courseId: string): Promise<Section[]>;
    /**
     * Update a section
     */
    updateSection(id: string, data: UpdateSectionDTO): Promise<Section | null>;
    /**
     * Delete a section
     */
    deleteSection(id: string): Promise<boolean>;
}