code: public java.util.List<String> getSolutionStacks() {
          if (solutionStacks == null) {
              solutionStacks = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return solutionStacks;
      }
docs: <p>
  A list of available solution stacks.
  </p>
  
  @return A list of available solution stacks.