question: public AttributeFilter ( final Collection < String > attributeDescriptions , final Schema schema ) { if ( attributeDescriptions == null || attributeDescriptions . isEmpty ( ) ) { includeAllUserAttributes = true ; } else { for ( final String attribute : attributeDescriptions ) { includeAttribute ( attribute , schema ) ; } } }
target:  Creates a new attribute filter which will include the attributes identified by the provided search request attribute list. Attributes will be decoded using the provided schema. See the class description for details regarding the types of supported attribute description.