/**
 * Normalize text for search matching
 *
 * Applies the following transformations:
 * 1. Unicode NFKC normalization
 * 2. Lowercase conversion
 * 3. Remove diacritics (accents)
 * 4. Punctuation removal
 * 5. Whitespace normalization
 */
export declare function normalize(text: string): string;
/**
 * Normalize text for matching while preserving case
 *
 * Applies the following transformations:
 * 1. Unicode NFKC normalization
 * 2. Remove diacritics (accents)
 * 3. Normalize whitespace
 *
 * Unlike `normalize`, this function preserves letter case
 * for use with uppercase-sensitive matching.
 */
export declare function normalizePreservingCase(text: string): string;
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