The permitted policies for the 'Cross-Origin-Resource-Policy' header. Valid permitted policies are:
'none'
: 'Cross-Origin-Resource-Policy' header will be set to 'none''master-only'
: 'Cross-Origin-Resource-Policy' header will be set to 'master-only''by-content-type'
: 'Cross-Origin-Resource-Policy' header will be set to 'by-content-type''all'
: 'Cross-Origin-Resource-Policy' header will be set to 'all'