class PacketWriterimport { PacketWriter } from "https://dotland.deno.dev/x/postgres@v0.19.0/connection/packet.ts"; ConstructorsnewPacketWriter(size?: number)Methodsadd(otherBuffer: Uint8Array)addChar(c: string)addCString(string?: string)addHeader(code: number, last?: boolean)addInt16(num: number)addInt32(num: number)addString(string?: string)clear()flush(code?: number)join(code?: number)