Linkerd2 Proxy - Change Stream Windows Size

I would like to change the following const values ( file in linkerd2-proxy\linkerd\app\src\ repository):
/// Configure the stream or connection level flow control setting for HTTP2.
/// If unspecified, the default value of 65,535 is used.
"LINKERD2_PROXY_HTTP2_INITIAL_CONNECTION_WINDOW_SIZE"; However, if I change them will they be respect?
Also, to apply them would a config map be the way to go or is there any better solution? (edited)

I am trying to improve network payload flow in the same manner as we could for Linkerd1 by changing in the h2 protocol the value of the variable: initialStreamWindowBytes (edited)