func GetBoolPtr(d *schema.ResourceData, key string) *bool {
	v, e := d.GetOkExists(key)
	if e {
		return BoolPtr(v.(bool))
	}
	return nil
}
func GetBoolPtr(d *schema.ResourceData, key string) *bool {
	v, e := d.GetOkExists(key)
	if e {
		return BoolPtr(v.(bool))
	}
	return nil
}
// GetBoolPtr reads a ResourceData and returns an appropriate *bool for the
// state of the definition. nil is returned if it does not exist.