/** Remove ANSI escape sequences (CSI style) from a string. */
export declare function stripAnsi(text: string): string;
/**
 * Remove ANSI escapes and control characters from untrusted text (model
 * outputs, errors, titles) so rendering it cannot alter terminal state. Line
 * breaks and tabs collapse to single spaces because callers interpolate the
 * result into single terminal lines, where a stray newline would break
 * viewport math and allow fake rows.
 */
export declare function sanitizeText(text: string): string;