@Override
            public boolean matches(final Object actual) {
                if (actual instanceof ClientState) {
                    return Objects.equals(propertyExtractor.apply((ClientState) actual), propertyValue);
                } else {
                    return false;
                }
            }
Builds a ProcessId with a UUID by repeating the given number n. For valid n, it is guaranteed that the returned UUIDs satisfy
the same relation relative to others as their parameter n does: iff n < m, then uuidForInt(n) < uuidForInt(m)
streams/src/test/java/org/apache/kafka/streams/processor/internals/assignment/AssignmentTestUtils.java