curl-w32/docs/cmdline-opts/proxy-pass.md

c	SPDX-License-Identifier	Long	Arg	Help	Added	Category	Multi	See-also	Example
Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.	curl	proxy-pass	<phrase>	Pass phrase for the private key for HTTPS proxy	7.52.0	proxy tls auth	single	proxy proxy-key	--proxy-pass secret --proxy-key here -x https://proxy $URL

--proxy-pass

Same as --pass but used in HTTPS proxy context.