//! StdFail_NotDone if the construction fails.
Standard_EXPORT void WhichQualifier (const Standard_Integer Index, GccEnt_Position& Qualif1) const;
//! StdFail_NotDone if the construction fails.
Standard_EXPORT void WhichQualifier (const Standard_Integer Index, GccEnt_Position& Qualif1) const;
//! result number Index and the first argument.
//! ParSol is the intrinsic parameter of the point ParSol on
//! the solution curv.
//! result number Index and the first argument.
//! ParSol is the intrinsic parameter of the point ParSol on
//! the solution curv.
//! It raises OutOfRange if Index is greater than the number of solutions.
Standard_EXPORT void Tangency1 (const Standard_Integer Index, Standard_Real& ParSol, Standard_Real& ParArg, gp_Pnt2d& PntSol) const;
//! It raises OutOfRange if Index is greater than the number of solutions.
Standard_EXPORT void Tangency1 (const Standard_Integer Index, Standard_Real& ParSol, Standard_Real& ParArg, gp_Pnt2d& PntSol) const;
//! result number Index and the third argument.
//! Raises NotDone if the construction algorithm didn't succeed.
//! It raises OutOfRange if Index is greater than the number of solutions.
//! result number Index and the third argument.
//! Raises NotDone if the construction algorithm didn't succeed.
//! It raises OutOfRange if Index is greater than the number of solutions.