AI-generated Key Takeaways
- 
          DateTimeRange represents a date and time range with optional upper and lower bounds. 
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          It has two main fields, startDateTimeandendDateTime, which are optional and define the range boundaries.
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          At least one of startDateTimeorendDateTimemust be specified for the range to be valid.
Represents a range of dates (combined with time of day) that has an upper and/or lower bound.
- Namespace
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               https://www.google.com/apis/ads/publisher/v202508
| Field | |
|---|---|
| 
                            | The start date time of this range. This field is optional and if it is not set then there is no
                lower bound on the date time range. If this field is not set then  | 
| 
                            | The end date time of this range. This field is optional and if it is not set then there is no
                upper bound on the date time range. If this field is not set then  |