export declare class ImageGenerationService {
    static generateImage({ prompt, parameters, output_config, }: {
        prompt: string;
        parameters?: {
            primary_color?: string;
            style_descriptor?: string;
        };
        output_config: {
            format: 'png' | 'jpg';
            width?: number;
            height?: number;
        };
    }): Promise<{
        base64: string;
        mimeType: string;
    }>;
}