/**
 * OpenTUI crashes when React sets <text content={null|undefined}>:
 * setStyledText(null) → text.chunks throws. Coerce nullish / invalid values
 * to a single space so transient unmount/update races never take down the TUI.
 */
import { StyledText } from "@opentui/core";
export declare function sanitizeOpenTuiTextContent(value: unknown): string | StyledText;
export declare function patchOpenTuiTextContent(): void;