export declare const MARKDOWN_IMAGE_VALIDATION_MESSAGE = "\u8BF7\u8F93\u5165\u5B8C\u6574\u7684 http\u3001https \u6216\u76F8\u5BF9\u56FE\u7247\u5730\u5740\u3002";
export type MarkdownInsertDialogRequest = {
    kind: 'link';
    action: 'edit' | 'insert';
    label: string;
    source: string;
} | {
    kind: 'image';
    altText: string;
    source: string;
};
export type MarkdownInsertDialogResult = MarkdownInsertDialogRequest;
export declare function MarkdownInsertDialog({ request, restoreFocusTarget, onClose, onSubmit, }: {
    request: MarkdownInsertDialogRequest;
    restoreFocusTarget: () => HTMLElement | null;
    onClose: () => void;
    onSubmit: (result: MarkdownInsertDialogResult) => void;
}): import("react").JSX.Element;
export declare function normalizeMarkdownInsertSource(kind: MarkdownInsertDialogRequest['kind'], source: string): string | null;