import { INumericSize } from '../elements/size.native';
export type MeasureUnit = 'HundredthsOfAnInch' | 'TenthsOfAMillimeter' | 'Pixels' | 'Inches' | 'Millimeters';
export declare const unitPerInch: {
    [key in MeasureUnit]: number;
};
export declare function getPaperSize(kind: string, precision?: number): INumericSize;
export declare function calculateValueByDpi({ value, newDpi, oldDpi }: {
    value: number;
    newDpi: number;
    oldDpi?: number | null;
}): number;