Constraints
| abs | 
     Absolute value constraint
     | 
| all_different | 
     All different constraint
     | 
| and | 
     Conjunction composite constraint
     | 
| cplinctr | 
     Linear constraints
     | 
| cpnlinctr | 
     Non-linear constraints
     | 
| cumulative | 
     Cumulative constraint
     | 
| cycle | 
     Cycle constraint
     | 
| disjunctive | 
     Disjunctive constraint
     | 
| distance | 
     Distance constraint
     | 
| distribute | 
     Distribute constraint with fixed bounds
     | 
| element | 
     Element constraint
     | 
| equiv | 
     Equivalence composite constraint
     | 
| exp | 
     Exponential of a non-linear expression
     | 
| generic_binary_constraint | 
     Generic Binary constraint
     | 
| generic_nary_constraint | 
     Generic nary constraint
     | 
| implies | 
     Implication composite constraint
     | 
| ln | 
     Natural logarithm of a non-linear expression
     | 
| maximum_minimum | 
     Maximum/minimum constraint
     | 
| occurrence | 
     Occurrence constraint
     | 
| or | 
     Disjunction composite constraint
     | 
| producer_consumer | 
     Producer Consumer constraint
     | 
 
