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export enum OpCode {  REPLAY = 1,  UPDATE = 2001,  INSERT = 2002,  RESERVED = 2003,  QUERY = 2004,  GET_MORE = 2005,  DELETE = 2006,  KILL_CURSORS = 2007,  MSG = 2013,}
export interface MessageHeader {  messageLength: number;  requestId: number;  responseTo: number;  opCode: OpCode;}
export function setHeader(  view: DataView,  header: MessageHeader,) {  view.setInt32(0, header.messageLength, true);  view.setInt32(4, header.requestId, true);  view.setInt32(8, header.responseTo, true);  view.setInt32(12, header.opCode, true);}
export function parseHeader(buffer: Uint8Array): MessageHeader {  const view = new DataView(buffer.buffer);  return {    messageLength: view.getUint32(0, true),    requestId: view.getUint32(4, true),    responseTo: view.getUint32(8, true),    opCode: view.getUint32(12, true),  };}