/**
 * Hex encode an array of bytes
 * @param {Uint8Array} array the bytes
 * @returns {string}the hex encoded string
 */
export declare function hexEncode(array: Uint8Array): string;
/**
 * Hex decode to an array of bytes
 * @param {string} hexString the hex encoded string
 * @returns {Uint8Array} the decoded array of bytes
 */
export declare function hexDecode(hexString: string): Uint8Array;
/**
 * Convert a u32 represented as a 4-bytes value in big endian to a u32 value
 * @param {Uint8Array} bytes this a 4-bytes value representing an u32 in big endian
 * @returns {number} the u32 value
 */
export declare function fromBeBytes(bytes: Uint8Array): number;
/**
 * Convert a u32 value to a u32 represented as a 4-bytes value in big endian
 * @param {number} myNumber a u32 value
 * @returns {Uint8Array} the u32 represented as a 4-bytes value in big endian
 */
export declare function toBeBytes(myNumber: number): Uint8Array;
/**
 * Deserialize Uint8Array as a list of Uint8Array
 * @param {Uint8Array} serializedItems Uint8Array of serialized data
 * @returns {Uint8Array[]} an array of deserialized items
 */
export declare function deserializeList(serializedItems: Uint8Array): Uint8Array[];
/**
 * Remove accents and uppercase to query word
 * @param {string} str string to sanitize
 * @returns {string} string initial string without accents and uppercase
 */
export declare function sanitizeString(str: string): string;
/**
 * Lowercase the first letter of a string
 * @param value the string
 * @returns the string with the first letter lowercased
 */
export declare function uncapitalize(value: string): string;
/**
 * Uppercase the first letter of a string
 * @param value the string
 * @returns the string with the first letter in uppercase
 */
export declare function capitalize(value: string): string;
/**
 * @param a one Uint8Array
 * @param b one Uint8Array
 * @returns is equals
 */
export declare function bytesEquals(a: Uint8Array | null, b: Uint8Array | null): boolean;
/**
 *
 * @param value
 */
export declare function toBytes(value: string | Uint8Array): Uint8Array;
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