public Builder addImportStatement(
              java.lang.String value) {
            if (value == null) { throw new NullPointerException(); }
            ensureImportStatementIsMutable();
            importStatement_.add(value);
            bitField0_ |= 0x00000002;
            onChanged();
            return this;
          }
public Builder addImportStatement(
              java.lang.String value)