code: public <R> R get(@NotNull final String name, R defaultValue) {
          if (context.containsKey(name)) {
              return get(name);
          } else {
              return defaultValue;
          }
      }
docs: Allow getting properties in a generified way and return defaultValue if the key does not exist.
  
  @param name The key to get
  @param defaultValue value returned when the key does not exist
  @return {R} The found object