code: @GET
      @Path("/typedefs/headers")
      @Produces(Servlets.JSON_MEDIA_TYPE)
      public List<AtlasTypeDefHeader> getTypeDefHeaders(@Context HttpServletRequest httpServletRequest) throws AtlasBaseException {
          SearchFilter searchFilter = getSearchFilter(httpServletRequest);
  
          AtlasTypesDef searchTypesDef = typeDefStore.searchTypesDef(searchFilter);
  
          return AtlasTypeUtil.toTypeDefHeader(searchTypesDef);
      }
docs: Bulk retrieval API for all type definitions returned as a list of minimal information header
  @return List of AtlasTypeDefHeader {@link AtlasTypeDefHeader}
  @throws AtlasBaseException
  @HTTP 200 Returns a list of {@link AtlasTypeDefHeader} matching the search criteria
  or an empty list if no match.