returns the result of interpreting the object as an instance of ` curve fitting ' . this implementation returns null ; returning a non-null result will terminate the switch . concode_field_sep ComponentPackage modelPackage concode_field_sep T caseChartPreferences concode_elem_sep T caseMarkerLine concode_elem_sep T caseEStringToDataSetMapEntry concode_elem_sep T caseGrid concode_elem_sep T caseMarkerRange concode_elem_sep T caseAxis concode_elem_sep T caseLabel concode_elem_sep T caseDialRegion concode_elem_sep T caseNeedle concode_elem_sep T caseScale concode_elem_sep T doSwitch concode_elem_sep T doSwitch concode_elem_sep T doSwitch concode_elem_sep T caseDial concode_elem_sep T defaultCase concode_elem_sep T caseSeries
T function ( CurveFitting arg0 ) { return null ; }