/**
 * A length definition as a number, optionally followed by a unit.
 * Supported units are `pt` (point), `in` (inch), `mm` (millimeter),
 * and `cm` (centimeter).
 * If the unit is left out, the number is interpreted as point (`pt`).
 * One point is defined as `1/72` of an inch (`72pt = 1in`).
 */
export type Length = number | `${number}${LengthUnit}`;
/**
 * A length unit, either `pt` (point), `in` (inch), `mm` (millimeter),
 * or `cm` (centimeter).
 * One point is defined as 1/72 of an inch (72pt = 1in).
 */
export type LengthUnit = 'pt' | 'in' | 'mm' | 'cm';
/**
 * A set of lengths to describe the inner or outer edges of a box. Used
 * for paddings and margins.
 */
export type BoxLengths = {
    /** Space on the left edge, overrides `x`. */
    left?: Length;
    /** Space on the right edge, overrides `x`. */
    right?: Length;
    /** Space on the upper edge, overrides `y`. */
    top?: Length;
    /** Space on the lower edge, overrides `y`. */
    bottom?: Length;
    /** Space on the left and right edge. */
    x?: Length;
    /** Space on the upper and lower edge. */
    y?: Length;
};
export type Size = {
    width: Length;
    height: Length;
};
/**
 * A paper size, either as a string (e.g. `'A4'`) or as an object with
 * `width` and `height` properties.
 */
export type PaperSize = Size | NamedPaperSize;
export type NamedPaperSize = keyof typeof paperSizes;
export type Orientation = 'portrait' | 'landscape';
/**
 * Common paper sizes, in portrait orientation.
 */
export declare const paperSizes: {
    '4A0': {
        width: number;
        height: number;
    };
    '2A0': {
        width: number;
        height: number;
    };
    A0: {
        width: number;
        height: number;
    };
    A1: {
        width: number;
        height: number;
    };
    A2: {
        width: number;
        height: number;
    };
    A3: {
        width: number;
        height: number;
    };
    A4: {
        width: number;
        height: number;
    };
    A5: {
        width: number;
        height: number;
    };
    A6: {
        width: number;
        height: number;
    };
    A7: {
        width: number;
        height: number;
    };
    A8: {
        width: number;
        height: number;
    };
    A9: {
        width: number;
        height: number;
    };
    A10: {
        width: number;
        height: number;
    };
    B0: {
        width: number;
        height: number;
    };
    B1: {
        width: number;
        height: number;
    };
    B2: {
        width: number;
        height: number;
    };
    B3: {
        width: number;
        height: number;
    };
    B4: {
        width: number;
        height: number;
    };
    B5: {
        width: number;
        height: number;
    };
    B6: {
        width: number;
        height: number;
    };
    B7: {
        width: number;
        height: number;
    };
    B8: {
        width: number;
        height: number;
    };
    B9: {
        width: number;
        height: number;
    };
    B10: {
        width: number;
        height: number;
    };
    C0: {
        width: number;
        height: number;
    };
    C1: {
        width: number;
        height: number;
    };
    C2: {
        width: number;
        height: number;
    };
    C3: {
        width: number;
        height: number;
    };
    C4: {
        width: number;
        height: number;
    };
    C5: {
        width: number;
        height: number;
    };
    C6: {
        width: number;
        height: number;
    };
    C7: {
        width: number;
        height: number;
    };
    C8: {
        width: number;
        height: number;
    };
    C9: {
        width: number;
        height: number;
    };
    C10: {
        width: number;
        height: number;
    };
    RA0: {
        width: number;
        height: number;
    };
    RA1: {
        width: number;
        height: number;
    };
    RA2: {
        width: number;
        height: number;
    };
    RA3: {
        width: number;
        height: number;
    };
    RA4: {
        width: number;
        height: number;
    };
    SRA0: {
        width: number;
        height: number;
    };
    SRA1: {
        width: number;
        height: number;
    };
    SRA2: {
        width: number;
        height: number;
    };
    SRA3: {
        width: number;
        height: number;
    };
    SRA4: {
        width: number;
        height: number;
    };
    Executive: {
        width: number;
        height: number;
    };
    Folio: {
        width: number;
        height: number;
    };
    Legal: {
        width: number;
        height: number;
    };
    Letter: {
        width: number;
        height: number;
    };
    Tabloid: {
        width: number;
        height: number;
    };
};