question: checks if some value is valid for a certain key . concode_field_sep PdfName NONFULLSCREENPAGEMODE_PREFERENCES[] concode_elem_sep int pageLayoutAndMode concode_elem_sep PdfName DIRECTION_PREFERENCES[] concode_elem_sep int viewerPreferencesMask concode_elem_sep PdfName PRINTSCALING_PREFERENCES[] concode_elem_sep PdfName DUPLEX_PREFERENCES[] concode_elem_sep PdfName PAGE_BOUNDARIES[] concode_elem_sep PdfDictionary viewerPreferences concode_elem_sep PdfName[] VIEWER_PREFERENCES concode_field_sep PdfDictionary getViewerPreferences concode_elem_sep PdfViewerPreferencesImp getViewerPreferences concode_elem_sep void setViewerPreferences concode_elem_sep int getPageLayoutAndMode concode_elem_sep int getIndex concode_elem_sep void addViewerPreference concode_elem_sep void addToCatalog
target: boolean function ( PdfName arg0 , PdfName [ ] arg1 ) { for ( int loc0 = 0 ; loc0 < arg1 . length ; loc0 ++ ) { if ( arg1 [ loc0 ] . equals ( arg0 ) ) { return true ; } } return false ; }