question: concatenates a pdf document . concode_field_sep PdfCopyFieldsImp fc concode_field_sep void setOutlines concode_elem_sep void setViewerPreferences concode_elem_sep void addJavaScript concode_elem_sep void addViewerPreference concode_elem_sep PdfWriter getWriter concode_elem_sep boolean isFullCompression concode_elem_sep void setEncryption concode_elem_sep void setEncryption concode_elem_sep void setEncryption concode_elem_sep void setEncryption concode_elem_sep void setFullCompression concode_elem_sep void close concode_elem_sep void open
target: void function ( PdfReader arg0 ) { fc . addDocument ( arg0 ) ; }