@Override public String toString(final int indent) { final StringBuilder sb = new StringBuilder(); final QuadData quadData = getQuadData(); final String namedSolutionSet = getName(); final ProjectionNode projection = getProjection(); if (quadData != null) { sb.append("\n"); sb.append(quadData.toString(indent)); } if (namedSolutionSet != null) { sb.append("namedSet=" + namedSolutionSet); } if (projection != null) { sb.append("\n"); sb.append(projection.toString(indent + 1)); } return sb.toString(); }