question: gets related service documents names . concode_field_sep Map<String,URI> relatedServiceDocuments concode_elem_sep Map<String,URI> singletons concode_elem_sep Map<String,URI> functionImports concode_elem_sep Map<String,URI> entitySets concode_field_sep URI getRelatedServiceDocumentURI concode_elem_sep Collection<String> getSingletonNames concode_elem_sep URI getFunctionImportURI concode_elem_sep URI getEntitySetURI concode_elem_sep Collection<String> getEntitySetNames concode_elem_sep URI getSingletonURI concode_elem_sep Collection<URI> getSingletonURIs concode_elem_sep Collection<URI> getEntitySetURIs concode_elem_sep Map<String,URI> getEntitySets concode_elem_sep Collection<URI> getRelatedServiceDocumentsURIs concode_elem_sep Map<String,URI> getRelatedServiceDocuments concode_elem_sep Collection<URI> getFunctionImportURIs concode_elem_sep Map<String,URI> getSingletons concode_elem_sep Collection<String> getFunctionImportNames concode_elem_sep Map<String,URI> getFunctionImports
target: Collection < String > function ( ) { return relatedServiceDocuments . keySet ( ) ; }