# DatasetSourceOneOf3
## Properties
Name | Type | Description | Notes
------------ | ------------- | ------------- | -------------
**columns** | Option<**std::collections::HashMap<String, String>**> | Optional explicit column definitions. Keys are column names, values are type specs. | [optional]
**format** | Option<**String**> | | [optional]
**url** | **String** | |
**r#type** | **Type** | (enum: url) |
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