com_baeldung_protobuf_ProtobufUnitTest_java
com.baeldung.protobuf.AddressBookProtos$Person$Builder
public Builder addNumbers(                     java.lang.String value) {                 if (value == null) {                     throw new NullPointerException();                 }                 ensureNumbersIsMutable();                 numbers_.add(value);                 onChanged();                 return this;

 -> java.util.List.size(): int -> java.util.List.size(): int -> java.util.Collections.unmodifiableList(java.util.List): java.util.List -> java.util.List.addAll(int,java.util.Collection): boolean -> java.util.AbstractList.add(java.lang.Object): boolean -> java.util.List.size(): int -> java.util.List.add(int,java.lang.Object): void