import { SeededRandom } from '../../core/seededRandom.js';
import { AvatarContext } from '../../core/types.js';
import { SmileOptions } from './types.js';
/**
 * Smile renderer - generates a cheerful smiley face
 */
export declare class SmileRenderer {
    private random;
    private options;
    private faceColor0;
    private faceColor1;
    private backgroundColor;
    private featureColor;
    constructor(random: SeededRandom, options: SmileOptions);
    /**
     * Render avatar on canvas
     */
    render(ctx: AvatarContext): void;
    /**
     * Check if a color is dark based on its luminance
     */
    private isDarkColor;
    /**
     * Draw a cheerful smiley face
     */
    private drawSmiley;
    /**
     * Draw an oval eye
     */
    private drawEye;
    /**
     * Draw a curved smile mouth (:) or open mouth (:D)
     * Assumes context is translated to center (0, 0)
     */
    private drawMouth;
}
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