/**
 * Identifier type that can be either a numeric ID or a string name.
 * Used to identify streams, topics, partitions, and other resources.
 */
export type Id = number | string;
/**
 * Serializes an identifier (numeric or string) to a Buffer for wire protocol.
 *
 * @param id - Numeric ID or string name to serialize
 * @returns Buffer containing the serialized identifier
 * @throws Error if the identifier type is not supported
 */
export declare const serializeIdentifier: (id: Id) => Buffer;
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