export declare const MIN_DOCUMENT_ZOOM = 50;
export declare const MAX_DOCUMENT_ZOOM = 200;
export type DocumentZoomFit = 'page' | 'width';
export interface DocumentZoomFitMetrics {
    pageHeight: number;
    pageWidth: number;
    viewportHeight: number;
    viewportWidth: number;
    viewportPadding: {
        top: number;
        right: number;
        bottom: number;
        left: number;
    };
}
export declare function clampDocumentZoom(zoom: number): number;
export declare function documentZoomForFit(fit: DocumentZoomFit, metrics: DocumentZoomFitMetrics): number;