Represents a searchable document that has been indexed.
| id | Document unique ID in the search index. |
| name | Readable name of the document. |
| score | Document base relevance score. |
| source | Original source from which the document was indexed. The source is usually the container asset, that is, the prefab, Unity scene, or the imported asset itself. |
| valid | If true the document is considered valid. |
| SearchDocument | Create a new SearchDocument. |