/**
 * Result of stripping invisible characters from an input string.
 *
 * `map[i]` holds the index in the ORIGINAL text of the i-th character in
 * `text`. This lets callers report match positions back in original-text
 * coordinates so that downstream tools (e.g. redaction) operate on the
 * original string correctly, including any interleaved invisible chars.
 *
 * If `map` is `null`, no stripping happened and `text` is reference-equal
 * to the input.
 */
export interface StrippedText {
    text: string;
    map: number[] | null;
}
export declare function stripInvisible(input: string): StrippedText;
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