export declare const toUnit: (value: string | number, rootPt?: number) => number;
export declare const getUnitOrValue: (value: string | number) => number | string;
export declare const toUnitOrValue: (value: number | string) => number | string | null;
export declare const toUnitsOrValues: (value: Array<number | string>) => Array<number | string>;
export declare const expandValueToUnits: (value: string) => [number | string, number | string, number | string, number | string] | null;