question: private void logMissingRegions ( PartitionedRegion region ) { String namesOfMissing = "" ; if ( ! missingChildren . isEmpty ( ) ) { namesOfMissing = String . join ( "\n\t" , missingChildren ) ; } String multipleChildren ; String singular = "" ; String plural = "s" ; multipleChildren = missingChildren . size ( ) > 1 ? plural : singular ; namesOfMissing = String . join ( "\n\t" , multipleChildren , namesOfMissing ) ; logger . warn ( LocalizedMessage . create ( LocalizedStrings . ColocationLogger_PERSISTENT_DATA_RECOVERY_OF_REGION_PREVENTED_BY_OFFLINE_COLOCATED_CHILDREN , new Object [ ] { region . getFullPath ( ) , namesOfMissing } ) ) ; }
target:  Write the a logger warning for a PR that has colocated child regions that are missing.