Gets the values of the Part header with the given name.
<p>Any changes to the returned <code>Collection</code> must not affect this <code>Part</code>.
<p>Part header names are case insensitive.
@param name the header name whose values to return
@return a (possibly empty) <code>Collection</code> of the values of the header with the given name
See Implementation
Gets the values of the Part header with the given name.
<p>Any changes to the returned <code>Collection</code> must not affect this <code>Part</code>.
<p>Part header names are case insensitive.
@param name the header name whose values to return
@return a (possibly empty) <code>Collection</code> of the values of the header with the given name