import { type TextStyle } from 'react-native';
/**
 * Util to calculate lineHeight from a text size atom and a leading atom (which
 * are unitless). On native, this will evaluate to a rounded pixel value. On
 * web, it will be a unitless string.
 *
 * Example:
 *   `leading({
 *     fontSize: 15,
 *     lineHeight: 1.2
 *   })` // => { lineHeight: 17 }
 */
export declare function leading(textStyle: TextStyle): Pick<TextStyle, 'lineHeight'>;
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