code: public Document read( String json,
                            boolean introspectStringValues ) throws ParsingException {
          return read(new StringReader(json), introspectStringValues);
      }
docs: Read the JSON representation from supplied string and construct the {@link Document} representation.
  
  @param json the JSON representation; may not be null
  @param introspectStringValues true if the string values should be examined for common patterns, or false otherwise
  @return the in-memory {@link Document} representation
  @throws ParsingException if there was a problem reading from the stream