Is there an existing issue for this?

• I have searched the existing issues

This is a CLI Docs Problem, not another kind of Docs Problem.

• This is a CLI Docs Problem.

Description of Problem

running npm help dedupe shows you the option --prefer-dedupe in an example for npm install (ref npm install --prefer-dedupe), which is not documented in either npm help install or npm install --help.
running the command also seems to not do anything differently than without the option, and "prefer-dedupe" is also not defined in lib/utils/config/definitions.js, nor does it seem to be read from the command-line args at any point in the code, but i am not too confident about this since i don't really know the structure of this code-base.

Potential Solution

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Affected URL

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