The LRA module maintains a map of participants [1] which should be cleaned up when an LRA finishes [2] (and if a participant wants to be notified on a different endpoint).

[1] https://github.com/jbosstm/narayana/blob/7.0.0.Final/rts/lra/coordinator/src/main/java/io/narayana/lra/coordinator/domain/service/LRAService.java#L46

[2] https://github.com/jbosstm/narayana/blob/7.0.0.Final/rts/lra/coordinator/src/main/java/io/narayana/lra/coordinator/domain/service/LRAService.java#L195