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# readableTypes

Returns the types of data the receiver can read natively and any types filterable to that native type.

```
class var readableTypes: [String] { get }
```

## Return Value

An array of `NSString` objects representing the readable document types.

## See Also

[`+  canConcurrentlyReadDocumentsOfType:`](/documentation/AppKit/NSDocument/canConcurrentlyReadDocuments(ofType:))

Returns a Boolean value that indicates whether the receiver reads multiple documents of the given type concurrently.



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