export declare type IframeOptions = {
    name?: string;
    src?: string;
    style?: string;
    onload?: (event: HTMLIFrameElement) => void;
    hidden?: boolean;
};
export declare function createAndInjectIframe(document: Document, options?: IframeOptions, targetSelector?: string): Promise<HTMLIFrameElement>;
export declare type FormOptions = {
    target?: '_self' | string;
    action?: string;
    method?: 'get' | 'post';
    hidden?: boolean;
};
export declare function createForm(document: Document, options: FormOptions): HTMLFormElement;
export declare function createAndInjectForm(document: Document, options: FormOptions, targetSelector?: string): HTMLFormElement;
export declare function injectHtmlElement(document: Document, element: HTMLElement, targetSelector?: string): void;
export declare function fillForm(document: Document, form: HTMLElement, data: {
    [key: string]: number | string | boolean;
}): void;
export declare type PopupOptions = {
    location?: string;
    name?: string;
    features?: string;
    onload?: (popup: Window) => void;
};
export declare function createAndOpenPopup(window: Window, options?: PopupOptions): Window;
export declare function findElement(selector: string): HTMLElement;