event
event: Extract<{ args: [key: K, value: V]; name: "set"; result?: undefined }, { name: E }> | Extract<{ args: [key: K]; name: "delete"; result: boolean }, { name: E }> | Extract<{ args: [key: K]; name: "has"; result: boolean }, { name: E }> | Extract<{ args: [key: K]; name: "get"; result: undefined | V }, { name: E }>