import { Sprite, Texture, Container, type Renderer } from 'pixi.js';
import { type EnhancedSprite } from '../types';
import ResourceManager from '../managers/ResourceManager';
/**
 * Options for creating a placeholder sprite
 */
export interface PlaceholderOptions {
    /** Width of the placeholder */
    width: number;
    /** Height of the placeholder */
    height: number;
    /** Background color (hex) */
    color?: number;
    /** Whether to add a label with the slide index */
    showIndex?: boolean;
    /** Slide index (for labeling) */
    index?: number;
    /** Whether to track with resource manager */
    trackWithResourceManager?: boolean;
    /** Resource manager instance */
    resourceManager?: ResourceManager | null;
    /** Renderer instance for texture generation */
    renderer?: Renderer;
}
/**
 * Container with loading animation capabilities
 */
export interface LoadingContainer extends Container {
    updateLoading: (delta: number) => void;
}
/**
 * Sprite with rotation animation flag
 */
export interface LoadingSprite extends Sprite {
    _rotate: boolean;
}
/**
 * Create a lightweight placeholder sprite for slides outside the visibility window
 *
 * @param options - Placeholder options
 * @returns Enhanced sprite with placeholder graphics
 */
export declare function createPlaceholderSprite(options: PlaceholderOptions): EnhancedSprite;
/**
 * Check if a sprite is a placeholder
 *
 * @param sprite - Sprite to check
 * @returns Whether the sprite is a placeholder
 */
export declare function isPlaceholderSprite(sprite: EnhancedSprite): boolean;
/**
 * Create a placeholder texture that uses minimal memory
 *
 * @param width - Width of the texture
 * @param height - Height of the texture
 * @param color - Color of the texture (hex)
 * @param renderer - Renderer instance for texture generation
 * @returns Placeholder texture
 */
export declare function createPlaceholderTexture(width?: number, height?: number, color?: number, renderer?: Renderer): Texture;
/**
 * Replace a fully loaded sprite with a placeholder
 *
 * @param sprite - Sprite to replace
 * @param options - Placeholder options
 * @returns New placeholder sprite or null if sprite is invalid
 */
export declare function replaceWithPlaceholder(sprite: EnhancedSprite, options?: Partial<PlaceholderOptions>): EnhancedSprite | null;
/**
 * Create a container with a placeholder sprite and optional loading indicator
 *
 * @param options - Placeholder options
 * @param showLoading - Whether to show a loading indicator
 * @returns Container with placeholder content
 */
export declare function createPlaceholderContainer(options: PlaceholderOptions, showLoading?: boolean): LoadingContainer;