+---------+ +-------+ +-------+ | |
-------------- | +----------- | +-----------| | | |
establishment\ |Candidate|acceptance\ |Podling|engagement\|Project| | |
-------------/ | +----------/ | +----------/| | | |
+--+-+----+ +-+-+---+----+ +-------+ | |
| | | | ^ | | |
| | | | | | continuation | |
| | | | +-----+ | |
| | | | | |
\/ \/ | |
rejection termination |