all(optionsopt) → {DatasetSearchResults}Retrieves all datasets with optional paging and sortingPropertiesNameTypeDescriptionoptionsObjectPropertiesNameTypeAttributesDefaultDescriptionpageSizenumber<optional>10Number of results to return per pagepageNonumber<optional>1Which page of results to returnsortstring<optional>Sort order in the format {property1}:{asc|desc},{property2}:{asc|desc}Returns:Search ResultsTypeDatasetSearchResults