Interface Traversable
Indirect known implementers
ElggAnnotation,
ElggBatch,
ElggPriorityList,
ElggRelationship,
ElggSite,
ElggUser,
ElggWidget,
ODDDocument,
ElggData,
ElggEntity,
ElggExtender,
ElggFile,
ElggGroup,
ElggMetadata,
ElggObject,
ElggPlugin