@Override
    public RegExpAtom @NotNull [] getAtoms() {
        final ASTNode[] nodes = getNode().getChildren(RegExpElementTypes.ATOMS);
        final RegExpAtom[] atoms = new RegExpAtom[nodes.length];
        for (int i = 0; i < atoms.length; i++) {
            atoms[i] = (RegExpAtom)nodes[i].getPsi();
        }
        return atoms;
    }
@Override
    public RegExpAtom @NotNull [] getAtoms()