@NotNull
  protected Pair<List<Substring>, Integer> parseFieldContinuation(int lineNum, @NotNull FieldType fieldType) {
    int indent = getLineIndentSize(lineNum);
    // we don't need additional indentation for Yields and Returns sections
    return parseIndentedBlock(lineNum + 1, fieldType == OPTIONAL_TYPE ? indent - 1 : indent);
  }
@NotNull
  protected Pair<List<Substring>, Integer> parseFieldContinuation(int lineNum, @NotNull FieldType fieldType)