import type * as CSS from 'csstype';
interface ShorthandSplitterOptions {
    /**
     * Character to split on.
     * @default ' '
     */
    separator?: string;
    /**
     * Unit to use for numbers, such as `px` or `em`.
     * @default '' for unitless number
     */
    numberUnit?: string;
}
/**
 * Returns a function to split a string into an array of CSS functions and values.
 * If a separator is encountered inside of a function, it is ignored.
 * If a number is provided, we convert it to a string using the given unit.
 */
export declare function buildShorthandSplitter(options?: ShorthandSplitterOptions): (value: string | number) => string[];
export declare const UNSUPPORTED_CSS_PROPERTIES: Partial<Record<keyof CSS.StandardShorthandProperties, true>>;
export declare const SHORTHAND_FUNCTIONS: Partial<Record<string, ReturnType<typeof buildShorthandSplitter>>>;
/**
 * Tries to split a string into an array of CSS functions and values.
 * The shorthand name is used to determine how to split the string.
 */
export declare function shorthandToArguments(shorthandName: string, value: string | number): string[] | undefined;
export {};