method internal.Duplex.prototype.once
#Duplex.prototype.once(event: "close",listener: () => void,): this#Duplex.prototype.once(event: "data",listener: (chunk: any) => void,): this#Duplex.prototype.once(event: "drain",listener: () => void,): this#Duplex.prototype.once(event: "end",listener: () => void,): this#Duplex.prototype.once(event: "error",listener: (err: Error) => void,): this#Duplex.prototype.once(event: "finish",listener: () => void,): this#Duplex.prototype.once(event: "pause",listener: () => void,): this#Duplex.prototype.once(event: "readable",listener: () => void,): this#Duplex.prototype.once(event: "resume",listener: () => void,): this