export declare class PdfFrame extends HTMLElement {
    pdfDoc: any;
    showClose: boolean;
    observer: IntersectionObserver;
    observed: Set<any>;
    viewer: HTMLElement;
    scaleElement: HTMLElement;
    TextLayer: any;
    connectedCallback(): void;
    disconnectedCallback(): void;
    prepare(): Promise<void>;
    updateScale(): void;
    changeScale(a: number): void;
}
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