docs: public void addAlphaConstraint(AlphaNodeFieldConstraint constraint) {
          if ( constraint != null ) {
              AlphaNodeFieldConstraint[] tmp = this.alphaConstraints;
              this.alphaConstraints = new AlphaNodeFieldConstraint[tmp.length + 1];
              System.arraycopy( tmp,
                                0,
                                this.alphaConstraints,
                                0,
                                tmp.length );
              this.alphaConstraints[this.alphaConstraints.length - 1] = constraint;
              this.updateRequiredDeclarations( constraint );
          }
      }