import { CssStyleMap } from 'pptx-viewer-shared';
/**
 * Convert the shared render helpers' camelCase style maps (`CssStyleMap`)
 * into inline `style` attribute strings, which is how Svelte binds dynamic
 * styles. React/Vue spread the maps directly; this is the Svelte adapter.
 */
/** camelCase (or vendor-prefixed `WebkitFoo`) property name to CSS kebab-case. */
export declare function cssPropertyName(key: string): string;
/** Serialise a style map into a `style` attribute string. */
export declare function styleToString(style: CssStyleMap | undefined): string;
/** Merge any number of style maps (later maps win) into one attribute string. */
export declare function mergeStyles(...styles: Array<CssStyleMap | undefined>): CssStyleMap;
//# sourceMappingURL=css.d.ts.map