public RequiresLots(RequiresSimpleType rs1,
                     RequiresSimpleType2 rs2,
                     RequiresSimpleType3 rs3,
                     SimpleType s1,
                     SimpleType2 s2,
                     SimpleType3 s3)
 {
     _rs1 = rs1;
     _rs2 = rs2;
     _rs3 = rs3;
     _s1  = s1;
     _s2  = s2;
     _s3  = s3;
 }
 public RequiresSimpleType3(SimpleType3 simple)
 {
     _simple = simple;
 }