import type * as CSS from 'csstype';
/**
 * Typing for the interpolations.
 */
export type BasicTemplateInterpolations = string | number;
export interface FunctionInterpolation<TProps> {
    (props: TProps): CssFunction<TProps>;
}
/**
 * Possible types for a CSS value
 */
export type CssType<TProps> = CSSProps<TProps> | CssObject<TProps> | FunctionInterpolation<TProps> | string;
/**
 * These are all the CSS props that will exist.
 */
export type CSSProps<TProps> = Readonly<CSS.Properties<CssFunction<TProps>>>;
export type CssObject<TProps> = Readonly<{
    [key: string]: CssFunction<TProps>;
}>;
export type CssFunction<TProps = unknown> = CssType<TProps> | BasicTemplateInterpolations | null | boolean | undefined;
export type CSSPseudoElements = '&::after' | '&::backdrop' | '&::before' | '&::cue' | '&::cue-region' | '&::first-letter' | '&::first-line' | '&::grammar-error' | '&::marker' | '&::placeholder' | '&::selection' | '&::spelling-error' | '&::target-text' | '&::view-transition';
export type CSSFlattenedChainedPsuedos = '&:visited:active' | '&:visited:hover' | '&:visited:focus' | '&:visited:focus-visible' | '&:visited:focus-within' | '&:active:visited' | '&:hover::before' | '&:hover::after' | '&:focus-visible::before' | '&:focus-visible::after' | '&:focus::before' | '&:focus::after' | '&:focus-within::before' | '&:focus-within::after' | '&:focus:not(:focus-visible)';
export type CSSPseudoClasses = '&:active' | '&:autofill' | '&:blank' | '&:checked' | '&:default' | '&:defined' | '&:disabled' | '&:empty' | '&:enabled' | '&:first' | '&:focus' | '&:focus-visible' | '&:focus-within' | '&:fullscreen' | '&:hover' | '&:in-range' | '&:indeterminate' | '&:invalid' | '&:left' | '&:link' | '&:local-link' | '&:optional' | '&:out-of-range' | '&:paused' | '&:picture-in-picture' | '&:placeholder-shown' | '&:playing' | '&:read-only' | '&:read-write' | '&:required' | '&:right' | '&:target' | '&:user-invalid' | '&:user-valid' | '&:valid' | '&:visited';
export type AllCSSPseudoClasses = CSSPseudoClasses | CSSFlattenedChainedPsuedos;
export type CSSPseudos = CSSPseudoElements | AllCSSPseudoClasses;
/**
 * The XCSSProp must be given all known available properties even
 * if it takes a subset of them. This ensures the (lack-of an)
 * excess property check doesn't enable makers to circumvent the
 * system and pass in values they shouldn't.
 */
export type CSSProperties = Readonly<CSS.Properties<(string & NonNullable<unknown>) | number>>;
/**
 * A stricter subset of the {@link CSSProperties} type that excludes
 * vendor and obsolete properties.
 */
export type StrictCSSProperties = Readonly<CSS.StandardProperties & CSS.SvgProperties>;