export type Rotation = 0 | 90 | 180 | 270;
/** Compose a page's intrinsic rotation with the interactively-applied one. */
export declare function totalRotation(intrinsic: Rotation, applied: Rotation): Rotation;
/** Whether a total rotation swaps the page's displayed width/height. */
export declare function isSidewaysRotation(rotation: Rotation): boolean;
export declare function displayedPageSize(width: number, height: number, intrinsic: Rotation, applied: Rotation, scale: number): {
    width: number;
    height: number;
};