<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,T20> @NotNull MergeNotMatchedValuesStep20<R,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,T20> | 
MergeNotMatchedStep.whenNotMatchedThenInsert(Field<T1> field1,
                        Field<T2> field2,
                        Field<T3> field3,
                        Field<T4> field4,
                        Field<T5> field5,
                        Field<T6> field6,
                        Field<T7> field7,
                        Field<T8> field8,
                        Field<T9> field9,
                        Field<T10> field10,
                        Field<T11> field11,
                        Field<T12> field12,
                        Field<T13> field13,
                        Field<T14> field14,
                        Field<T15> field15,
                        Field<T16> field16,
                        Field<T17> field17,
                        Field<T18> field18,
                        Field<T19> field19,
                        Field<T20> field20) | 
 Add the WHEN NOT MATCHED THEN INSERT clause to the
 MERGE statement 
 |