/// <reference types="react" />
import * as t from './common/types';
import { transform } from './css/css';
export declare class CssValue {
}
export declare type Falsy = undefined | null | false;
export declare type CssProps = React.CSSProperties;
export declare type CssPropsMap = {
    [selector: string]: CssProps;
};
export declare type CssClassName = (...styles: Array<CssProps | undefined>) => string;
export declare type CssMergeRules = (...rules: any[]) => CssProps;
export declare type CssFormat = (...styles: Array<t.CssProps | CssValue | Falsy>) => CssValue;
export declare type ICssStyle = {
    transform: typeof transform;
    format: CssFormat;
    global: CssGlobal;
    head: ICssHead;
    image: CssFormatImage;
    toEdges: CssToEdges<ICssEdges>;
    toMargins: CssToEdges<ICssMarginEdges>;
    toPadding: CssToEdges<ICssPaddingEdges>;
};
export declare type CssGlobal = (styles: CssPropsMap, options?: {
    prefix?: string;
}) => void;
export declare type ICssHead = {
    importStylesheet(url: string): ICssHead;
};
export declare type CssEdgesInput = string | number | undefined | null | Array<string | number | null>;
export declare type CssToEdges<T> = (input?: CssEdgesInput, options?: {
    defaultValue?: CssEdgesInput;
}) => Partial<T>;
export declare type ICssEdges = {
    top: string | number;
    right: string | number;
    bottom: string | number;
    left: string | number;
};
export declare type ICssMarginEdges = {
    marginTop: string | number;
    marginRight: string | number;
    marginBottom: string | number;
    marginLeft: string | number;
};
export declare type ICssPaddingEdges = {
    paddingTop: string | number;
    paddingRight: string | number;
    paddingBottom: string | number;
    paddingLeft: string | number;
};
export declare type CssFormatImageOptions = {
    width?: number;
    height?: number;
};
export declare type CssFormatImage = (image1x: string | undefined, image2x: string | undefined, options?: CssFormatImageOptions) => ICssBackgroundImage;
export declare type ICssBackgroundImage = {
    backgroundImage: string;
    width?: number;
    height?: number;
    backgroundSize: string;
    backgroundRepeat: string;
};