func GetInt64PtrEmptyZero(d *schema.ResourceData, key string) *int64 {
	i := GetInt64Ptr(d, key)
	if i != nil {
		return i
	}
	return Int64Ptr(int64(0))
}
func GetInt64PtrEmptyZero(d *schema.ResourceData, key string) *int64 {
	i := GetInt64Ptr(d, key)
	if i != nil {
		return i
	}
	return Int64Ptr(int64(0))
}
// GetInt64PtrEmptyZero reads a ResourceData and returns an appropriate *int64
// for the state of the definition. 0 is returned if it does not exist.