code: public HashGeneratorMaker chiral() {
          this.stereoEncoders.add(new GeometricTetrahedralEncoderFactory());
          this.stereoEncoders.add(new GeometricDoubleBondEncoderFactory());
          this.stereoEncoders.add(new GeometricCumulativeDoubleBondFactory());
          this.stereoEncoders.add(new TetrahedralElementEncoderFactory());
          this.stereoEncoders.add(new DoubleBondElementEncoderFactory());
          return this;
      }
docs: Generate different hash codes for stereoisomers. The currently supported
  geometries are:
  
  <ul>
  <li>Tetrahedral</li>
  <li>Double Bond</li>
  <li>Cumulative Double Bonds</li>
  </ul>
  
  @return fluent API reference (self)