gets the value of the primary property . concode_field_sep Extension extension concode_elem_sep String holdingsIdentifier concode_elem_sep String name concode_elem_sep Extension holdings concode_elem_sep String primary concode_field_sep void setName concode_elem_sep Extension getHoldings concode_elem_sep String getName concode_elem_sep Extension getExtension concode_elem_sep void setExtension concode_elem_sep String getHoldingsIdentifier concode_elem_sep void setPrimary concode_elem_sep void setHoldings concode_elem_sep void setHoldingsIdentifier
String function ( ) { return primary ; }