import { Styles } from '@wolf-tui/core';
import { ClassNameValue } from '../styles/registry';
/**
 * Returns a transform function for a wolfie-text element.
 *
 * The returned function is assigned to `el.internal_transform` — the
 * wolfie renderer calls it on each text string before writing to terminal.
 *
 * Background inheritance: parentBg is the BACKGROUND_CONTEXT value injected
 * from the nearest ancestor Box that has a backgroundColor.
 */
export declare function computeTextTransform(props: {
    className?: ClassNameValue;
    style?: Partial<Styles>;
}, parentBg?: string): (text: string) => string;
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