code: public java.util.List<EventSourceMappingConfiguration> getEventSourceMappings() {
          if (eventSourceMappings == null) {
              eventSourceMappings = new com.amazonaws.internal.SdkInternalList<EventSourceMappingConfiguration>();
          }
          return eventSourceMappings;
      }
docs: <p>
  A list of event source mappings.
  </p>
  
  @return A list of event source mappings.