# UsageMeteringPeriod
## Properties
Name | Type | Description | Notes
------------ | ------------- | ------------- | -------------
**start** | Option<**String**> | | [optional]
**end** | Option<**String**> | | [optional]
**source** | Option<**Source**> | `cycle` = a real billing period resolved; `window` = trailing/custom window (or cycle fallback). (enum: cycle, window) | [optional]
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