# `ElasticsearchVersionInfo` [interface-ElasticsearchVersionInfo]

| Name | Type | Description |
| - | - | - |
| `build_date` | [DateTime](./DateTime.md) | The Elasticsearch Git commit's date. |
| `build_flavor` | string | The build flavor. For example, `default`. |
| `build_hash` | string | The Elasticsearch Git commit's SHA hash. |
| `build_snapshot` | boolean | Indicates whether the Elasticsearch build was a snapshot. |
| `build_type` | string | The build type that corresponds to how Elasticsearch was installed. For example, `docker`, `rpm`, or `tar`. |
| `lucene_version` | [VersionString](./VersionString.md) | The version number of Elasticsearch's underlying Lucene software. |
| `minimum_index_compatibility_version` | [VersionString](./VersionString.md) | The minimum index version with which the responding node can read from disk. |
| `minimum_wire_compatibility_version` | [VersionString](./VersionString.md) | The minimum node version with which the responding node can communicate. Also the minimum version from which you can perform a rolling upgrade. |
| `number` | string | The Elasticsearch version number. |