Returns {@code true} if no sections have been configured, or if there are sections, but the sections themselves
are all empty, {@code false} otherwise.
@return {@code true} if no sections have been configured, or if there are sections, but the sections themselves
are all empty, {@code false} otherwise.
Returns {@code true} if no sections have been configured, or if there are sections, but the sections themselves are all empty, {@code false} otherwise.
@return {@code true} if no sections have been configured, or if there are sections, but the sections themselves are all empty, {@code false} otherwise.