Tomas Remes yes, sorry of the brief description.

1) I didnt find any reference to this field in the spec - did I miss it?
2) geronimo spec jar doesnt use it ( https://svn.apache.org/repos/asf/geronimo/specs/trunk/geronimo-jcdi_1.1_spec/src/main/java/javax/enterprise/inject/spi/CDI.java )