export declare const eventHandlerWithoutFocusLoss: (fn?: () => void) => (e: React.MouseEvent) => boolean;
export declare function debounceAnswerSave(func: (content: string, caretPosition: CaretPosition) => void, timeout: number): <U>(this: U, ...args: Parameters<typeof func>) => void;
export type CaretPosition = number;
export declare const getCaretPosition: (textField: HTMLElement) => number;
export declare const getCaretPositionAfterElement: (textField: HTMLElement, element: HTMLElement) => number;
export declare const setCaretPosition: (textField: HTMLElement, targetOffset: number) => void;
export type Answer = {
    answerHtml: string;
    answerText: string;
    imageCount: number;
};
export declare const getAnswer: (html: string) => {
    answerHtml: string;
    answerText: string;
    imageCount: number;
};
export declare function decodeBase64Image(dataString: string): {
    type: string;
    data: Uint8Array<ArrayBuffer>;
} | null;
export declare function isForbiddenInlineImage(type: string, element: HTMLImageElement, allowedFileTypes: string[]): boolean;
export declare const loadingImage = "data:image/gif;base64,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";