Setting cache control and expires inside a module

[Wandenberg Peixoto]

Hi,

I need to add response to OPTIONS method to a module to allow cross domain
access,
but I want to set cache control and expires headers, only for this method,
to browsers does not ask this method frequently.

How is the best way to do that?

I have to add these headers to headers_out or has a function to do that for
me?

Regards,
Wandenberg
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