if (this.fixedDomainAxisSpace != null) {
            clone.fixedDomainAxisSpace = (AxisSpace) ObjectUtilities.clone(
                    this.fixedDomainAxisSpace);
        }
        if (this.fixedRangeAxisSpace != null) {
            clone.fixedRangeAxisSpace = (AxisSpace) ObjectUtilities.clone(
                    this.fixedRangeAxisSpace);
        }

        clone.annotations = (List) ObjectUtilities.deepClone(this.annotations);