/**
 * @license
 * Copyright 2025 Vybestack LLC
 * SPDX-License-Identifier: Apache-2.0
 */
/**
 * Sanitizes a string by removing problematic characters that can cause
 * encoding issues, particularly with ByteString conversions.
 *
 * @param input The string to sanitize
 * @returns The sanitized string
 */
export declare function sanitizeForByteString(input: string): string;
/**
 * Checks if sanitization would modify the input string
 *
 * @param input The string to check
 * @returns True if the string would be modified by sanitization
 */
export declare function needsSanitization(input: string): boolean;