import { PresetConfig } from '../core';
import { ShaderOptions, ShaderInstance } from './types';

/**
 * Create a shader instance from preset JSON.
 * Auto-starts animation loop — no manual render needed.
 *
 * @example
 * ```ts
 * const shader = await createShader(canvas, {
 *   components: [
 *     { type: 'Circle', id: 'c1', props: { color: '#ff0000', radius: 0.5 } }
 *   ]
 * })
 *
 * // Update at runtime
 * shader.update('c1', { radius: 0.8 })
 *
 * // Cleanup
 * shader.destroy()
 * ```
 */
export declare function createShader(canvas: HTMLCanvasElement, preset: PresetConfig, options?: ShaderOptions): Promise<ShaderInstance>;
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