/**
 * Dynamically loads KaTeX CSS at runtime to avoid Next.js-style
 * "Global CSS cannot be imported from within node_modules" build errors and
 * to keep the CSS out of the static import graph.
 *
 * Uses a module-level singleton flag so the stylesheet is only loaded once,
 * regardless of how many components call this composable.
 *
 * Mirrors the React `useKatexStyles` hook: returns `void`, never throws, and
 * logs a warning with equivalent intent if the dynamic import fails.
 *
 * @example
 * ```vue
 * <script setup lang="ts">
 * import { useKatexStyles } from "@copilotkit/vue";
 *
 * useKatexStyles();
 * </script>
 * ```
 */
export declare function useKatexStyles(): void;
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