Contiguous age range.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v25/common/audiences.proto)

| Fields ||
|---|---|
| ## `max_age` | `int32` Maximum age to include. A maximum age need not be specified. If specified, max_age must be greater than min_age, and allowed values are 24, 34, 44, 54, and 64. |
| ## `min_age` | `int32` Minimum age to include. A minimum age must be specified and must be at least 18. Allowed values are 18, 25, 35, 45, 55, and 65. |