/**
 * Sanitizes the input string by trimming whitespace and removing non-alphanumeric characters.
 *
 * @param {string} str - The input string to sanitize.
 * @returns {string} - The sanitized string containing only alphanumeric characters.
 */
export declare const sanitizeStr: (str: string) => string;
export declare function sanitizeSearch(input: string, patterns?: string[]): string;
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