import * as CSS from 'csstype';
declare const width: string | number; declare const y: CSSObject; const x: CSSObject = { width, ...y };
type CSSProperties = CSS.PropertiesFallback<number | string>;
type CSSPropertiesWithMultiValues = { [K in keyof CSSProperties]: CSSProperties[K] | Array<Exclude<CSSProperties[K], undefined>> };
interface ArrayCSSInterpolation extends Array<CSSInterpolation> {}
type InterpolationPrimitive = null | undefined | boolean | number | string | CSSObject;
type CSSInterpolation = InterpolationPrimitive | ArrayCSSInterpolation;
interface CSSOthersObject { [propertiesName: string]: CSSInterpolation }
interface CSSObject extends CSSPropertiesWithMultiValues, CSSOthersObject {}