@Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        if (!super.equals(o)) {
            return false;
        }
        final DocumentationDoc that = (DocumentationDoc) o;
        return Objects.equals(documentation, that.documentation)
               && Objects.equals(data, that.data);
    }
@return A new builder for creating a {@link DocRef} for this document's type.
stroom-core-shared/src/main/java/stroom/documentation/shared/DocumentationDoc.java