How to use

com.google.protobuf.MapEntry$Builder

constructor

@Override
public Builder<K, V> toBuilder() {
 return new Builder<K, V>(metadata, key, value);
}

@Override
public Builder<K, V> newBuilderForType() {
 return new Builder<K, V>(metadata);
}

 @Override
 public Builder<K, V> clone() {
  return new Builder(metadata, key, value);
 }
}

@Override
public Builder<K, V> newBuilderForType() {
 return new Builder<K, V>(metadata);
}

@Override
public Builder<K, V> toBuilder() {
 return new Builder<K, V>(metadata, key, value, true, true);
}

 @Override
 @SuppressWarnings("unchecked")
 public Builder<K, V> clone() {
  return new Builder(metadata, key, value, hasKey, hasValue);
 }
}