import type { CSSPropName, CSSPropValue } from './css-props.types';
import { Theme } from '../../theme';
/**
 * Formats a `CSSPropName` and `CSSPropValue` as a CSS rule.
 *
 * Example:
 * ```typescript
 * asCSSRule('paddingX', 'space.16', theme);
 * // Returns 'padding-left: 16px; padding-right: 16px;'
 * ```
 */
export declare function asCSSRule(propName: CSSPropName, propValue: CSSPropValue | null, theme: Theme): string;