[v4.0.0-rc.0] QUIT command is not available

[guyroyse]

Issue

The QUIT command gives me the following error when I try to run it:
TypeError: this.client.quit is not a function

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Environment

• Node.js Version: 12.22.5

• Redis Version: 6.0.1

• Platform: macOS Catalina 10.15.7

NOTE: I am running Redis via the redislabs\redismod Docker image.