## client serial
INT32 7
-FIELD_NAME path
+HEADER_FIELD PATH
TYPE OBJECT_PATH
OBJECT_PATH '/foo'
-FIELD_NAME ifce
+HEADER_FIELD INTERFACE
TYPE STRING
STRING 'org.freedesktop.Foo'
-FIELD_NAME mebr
+HEADER_FIELD MEMBER
TYPE STRING
STRING 'Bar'
+HEADER_FIELD SIGNATURE
+TYPE STRING
+STRING ''
ALIGN 8
END_LENGTH Header