cond %{REMAP_PSEUDO_HOOK} [AND]
cond %{CLIENT-HEADER:xfoo} ="" [OR,NOT]
cond %{CLIENT-HEADER:xBar} ="" [OR,NOT]
cond %{CLIENT-HEADER:X-Foo} ="" [AND,NOT]
cond %{CLIENT-HEADER:X-Fie} =""
    set-header X-fie "123"

cond %{REMAP_PSEUDO_HOOK} [AND]
cond %{CLIENT-HEADER:xfoo} ="" [OR,NOT]
cond %{CLIENT-HEADER:xBar} ="" [OR,NOT]
cond %{GROUP}
    cond %{CLIENT-HEADER:X-Foo} ="" [AND,NOT]
    cond %{CLIENT-HEADER:X-Fie} =""
cond %{GROUP:END}
    set-header X-fie "123"
