code: public Weld property(String key, Object value) {
          properties.put(key, value);
          return this;
      }
docs: Set the configuration property.
  
  @param key
  @param value
  @return self
  @see #ARCHIVE_ISOLATION_SYSTEM_PROPERTY
  @see #SHUTDOWN_HOOK_SYSTEM_PROPERTY
  @see #DEV_MODE_SYSTEM_PROPERTY
  @see ConfigurationKey