export type LengthUnit = 'pt' | 'mm' | 'cm' | 'in' | 'px' | 'pc';
export interface Size {
    width: number;
    height: number;
}
export interface Point {
    x: number;
    y: number;
}
export interface Rect {
    x: number;
    y: number;
    width: number;
    height: number;
}
export interface EdgeInsets {
    top: number;
    right: number;
    bottom: number;
    left: number;
}
export type EdgeInsetsInput = number | number[] | Partial<EdgeInsets>;
export type PageOrientation = 'portrait' | 'landscape';
export declare function unitScale(unit: LengthUnit): number;
export declare function toPoints(value: number, unit: LengthUnit): number;
export declare function fromPoints(value: number, unit: LengthUnit): number;
declare const namedPageSizes: Record<string, Size>;
export type NamedPageSize = keyof typeof namedPageSizes;
export type PageSizeInput = string | [number, number] | Size;
export declare function resolvePageSize(size: PageSizeInput, unit: LengthUnit, orientation?: PageOrientation): Size;
export declare function listPageSizePresets(): string[];
export declare function normalizeEdgeInsets(input: EdgeInsetsInput | undefined, fallback?: number): EdgeInsets;
export declare function horizontalInsets(insets: EdgeInsets): number;
export declare function verticalInsets(insets: EdgeInsets): number;
export {};