interface CodeBlockProps {
    code?: string;
    language?: string;
    filename?: string;
    showCopy?: boolean;
    showLineNumbers?: boolean;
    /** `adaptive` follows light/dark; `contrast` is always a dark editor. */
    tone?: 'adaptive' | 'contrast';
    class?: string;
}
declare const CodeBlock: import("svelte").Component<CodeBlockProps, {}, "">;
type CodeBlock = ReturnType<typeof CodeBlock>;
export default CodeBlock;