C 4 files

CaseSensitivity.php

Comparable.php

ComparisonOperator.php

ComparisonResult.php

D 2 files

DescribedEnumInterface.php

DispatchMode.php

E 2 files

EnumHelper.php

Environment.php

F 1 file

FailureMode.php

H 9 files

HasDescription.php

HasLabel.php

HasNameLookup.php

HasNameMap.php

HasNames.php

HasOptions.php

HasTransitions.php

HasValueMap.php

HasValues.php

I 2 files

IntervalUnit.php

InvalidTransitionException.php

L 2 files

LabeledEnumInterface.php

LogLevel.php

M 1 file

Month.php

N 1 file

NullsPosition.php

P 1 file

Priority.php

Q 1 file

Quarter.php

R 2 files

Result.php

ReversibleInterface.php

S 6 files

Scheme.php

Semester.php

ServiceLifetime.php

Severity.php

SignalBehavior.php

SortDirection.php

W 1 file

Weekday.php