code: function removeExponentBaseOne(node) {
    if (node.op === '^' &&                         // an exponent with
        checks.resolvesToConstant(node.args[1]) && // a power not a symbol and
        Node.Type.isConstant(node.args[0]) &&      // a constant base
        node.args[0].value === '1') {              // of value 1
      const newNode = clone(node.args[0]);
      return Node.Status.nodeChanged(
        ChangeTypes.REMOVE_EXPONENT_BASE_ONE, node, newNode);
    }
    return Node.Status.noChange(node);
  }
docs: If `node` is of the form 1^x, reduces it to a node of the form 1. Returns a Node.Status object.