func (m *MetricMetadata) GetPerUnitOk() (string, bool) {
	if m == nil || m.PerUnit == nil {
		return "", false
	}
	return *m.PerUnit, true
}
func (m *MetricMetadata) GetPerUnitOk() (string, bool) {
	if m == nil || m.PerUnit == nil {
		return "", false
	}
	return *m.PerUnit, true
}
// GetPerUnitOk returns a tuple with the PerUnit field if it's non-nil, zero value otherwise
// and a boolean to check if the value has been set.