code: public StereoElementFactory interpretProjections(Projection ... projections) {
          Collections.addAll(this.projections, projections);
          this.check = true;
          return this;
      }
docs: Indicate that stereochemistry drawn as a certain projection should be
  interpreted.
  
  <pre>{@code
  StereoElementFactory factory =
  StereoElementFactory.using2DCoordinates(container)
  .interpretProjections(Projection.Fischer, Projection.Haworth);
  }</pre>
  
  @param projections types of projection
  @return self
  @see org.openscience.cdk.stereo.Projection