export interface ComposeInput {
    /** css/variables output for the default theme (:root selector) */
    defaultCss: string;
    /** css/variables output for the compact theme ([data-unity-theme="compact"]) */
    compactCss: string;
    /** css/unity-theme output (@theme block + grid/typography utilities) */
    themeCss: string;
    /** File header + imports */
    header: string;
    /** Custom variant declarations */
    customVariants: string;
    /** Output path for the composed CSS */
    outputPath: string;
}
export declare function composeMultiThemeCss(input: ComposeInput): Promise<void>;