export declare const contentTypes: readonly ["Text", "Binary", "Mixed", "GS1", "ISO15434", "UnknownECI"];
export type ContentType = (typeof contentTypes)[number];
/**
 * Encodes a content type into its numeric representation.
 *
 * @param contentType - The content type to encode
 * @returns A number representing the encoded content type
 */
export declare function encodeContentType(contentType: ContentType): number;
/**
 * Decodes a content type from its numeric representation.
 *
 * @param number - The numeric identifier representing a content type
 * @returns The decoded content type
 */
export declare function decodeContentType(number: number): ContentType;