returns true if this entry is an appearance subdictionary . concode_field_sep COSBase entry concode_field_sep PDAppearanceStream getAppearanceStream concode_elem_sep boolean isStream concode_elem_sep COSBase getCOSObject concode_elem_sep Map<COSName,PDAppearanceStream> getSubDictionary
boolean function ( ) { return ! ( this . entry instanceof COSStream ) ; }