export type BlockType = 'paragraph' | 'heading' | 'headingParagraph' | 'list' | 'imageCentered' | 'imageFullWidth' | 'imageSideBySide' | 'imageTextOverlay' | 'videoEmbed' | 'tabs' | 'accordion' | 'flipCards' | 'cardSort' | 'singleChoice' | 'multipleChoice' | 'fillInBlank' | 'dividerLine' | 'customButton';
export interface Block {
    id: string;
    lessonId: string;
    type: BlockType;
    paddingTop?: number;
    paddingBottom?: number;
    [key: string]: any;
    createdAt: string;
    updatedAt: string;
}
export interface BlockCreate {
    type: BlockType;
    paddingTop?: number;
    paddingBottom?: number;
    [key: string]: any;
}
/**
 * List all content blocks in a lesson in display order.
 *
 * @param lessonId - Lesson ID
 * @returns Array of blocks with complete data
 * @example
 * const blocks = await listBlocks('lesson_123');
 * console.log(`Lesson has ${blocks.length} blocks`);
 */
export declare function listBlocks(lessonIdOrCourseId: string, maybeLessonId?: string): Promise<Block[]>;
/**
 * Get detailed information about a specific block.
 *
 * @param blockId - Block ID
 * @returns Complete block object
 * @example
 * const block = await getBlock('block_abc123');
 * console.log(`Block type: ${block.type}`);
 */
export declare function getBlock(blockIdOrCourseId: string, maybeLessonId?: string, maybeBlockId?: string): Promise<Block>;
/**
 * Create a new content block in a lesson.
 * Block is automatically added to the end of the lesson.
 * Supports all 18 block types with type-specific properties.
 *
 * @param lessonId - Lesson ID
 * @param data - Block creation data
 * @returns Newly created block
 * @example
 * // Create a paragraph block
 * const paragraph = await createBlock('lesson_123', {
 *   type: 'paragraph',
 *   text: 'This is a paragraph of text',
 *   fontSize: 16,
 *   paddingTop: 24,
 *   paddingBottom: 24
 * });
 *
 * // Create an image block
 * const image = await createBlock('lesson_123', {
 *   type: 'imageCentered',
 *   assetId: 'asset_xyz',
 *   alt: 'Safety equipment',
 *   maxWidthPercent: 80
 * });
 */
export declare function createBlock(lessonIdOrCourseId: string, dataOrLessonId: BlockCreate | string, maybeData?: BlockCreate): Promise<Block>;
/**
 * Update any properties of a content block.
 *
 * @param blockId - Block ID
 * @param updates - Fields to update
 * @returns Updated block
 * @example
 * await updateBlock('block_123', {
 *   text: 'Updated text content',
 *   fontSize: 18,
 *   fontColor: '#333333'
 * });
 */
export declare function updateBlock(blockId: string, updates: Partial<Block>): Promise<Block>;
/**
 * Delete a content block from its lesson.
 *
 * @param blockId - Block ID
 * @example
 * await deleteBlock('block_123');
 */
export declare function deleteBlock(blockId: string): Promise<void>;
/**
 * Duplicate a content block.
 * Can optionally duplicate to a different lesson.
 *
 * @param blockId - Source block ID
 * @param targetLessonId - Optional: Destination lesson ID
 * @returns Newly created block copy
 * @example
 * // Duplicate within same lesson
 * const copy = await duplicateBlock('block_123');
 *
 * // Copy to different lesson
 * const copy2 = await duplicateBlock('block_123', 'lesson_456');
 */
export declare function duplicateBlock(blockId: string, targetLessonId?: string): Promise<Block>;
/**
 * Reorder all blocks in a lesson.
 *
 * @param lessonId - Lesson ID
 * @param blockIds - Complete array of block IDs in desired order
 * @returns Updated lesson object
 * @example
 * await reorderBlocks('lesson_123', [
 *   'block_3',
 *   'block_1',
 *   'block_2'
 * ]);
 */
export declare function reorderBlocks(lessonId: string, blockIds: string[]): Promise<any>;
/**
 * Create multiple blocks in one operation (efficient batch creation).
 * All blocks created atomically - if one fails, none are created.
 *
 * @param lessonId - Lesson ID
 * @param blocks - Array of block creation data
 * @returns Array of created blocks
 * @example
 * const blocks = await batchCreateBlocks('lesson_123', [
 *   { type: 'heading', text: 'Introduction' },
 *   { type: 'paragraph', text: 'This lesson covers...' },
 *   { type: 'imageCentered', assetId: 'asset_123', alt: 'Diagram' }
 * ]);
 */
export declare function batchCreateBlocks(lessonId: string, blocks: BlockCreate[]): Promise<Block[]>;
/**
 * Update multiple blocks in one operation (efficient batch update).
 * Updates applied atomically.
 *
 * @param updates - Array of block updates
 * @returns Array of updated blocks
 * @example
 * await batchUpdateBlocks([
 *   { blockId: 'block_1', updates: { text: 'Updated text 1' } },
 *   { blockId: 'block_2', updates: { fontSize: 18 } },
 *   { blockId: 'block_3', updates: { paddingTop: 32 } }
 * ]);
 */
export declare function batchUpdateBlocks(updates: Array<{
    blockId: string;
    updates: Partial<Block>;
}>): Promise<Block[]>;
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