public Builder mergeFrom(protos.KeyProto.Keys other) {
   if (other == protos.KeyProto.Keys.getDefaultInstance()) return this;
   if (!other.key_.isEmpty()) {
     if (key_.isEmpty()) {
       key_ = other.key_;
       bitField0_ = (bitField0_ & ~0x00000001);
     } else {
       ensureKeyIsMutable();
       key_.addAll(other.key_);
     }
     onChanged();
   }
   this.mergeUnknownFields(other.getUnknownFields());
   return this;
 }
 public protos.KeyProto.Keys getDefaultInstanceForType() {
   return protos.KeyProto.Keys.getDefaultInstance();
 }