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# CGImageSourceCopyTypeIdentifiers()

Returns an array of uniform type identifiers that are supported for image sources.

```
func CGImageSourceCopyTypeIdentifiers() -> CFArray
```

## Return Value

Returns an array of the uniform type identifiers that are supported for image sources.

## Discussion

For a list of system-declared and third-party identifiers, see <doc://com.apple.documentation/documentation/UniformTypeIdentifiers>.

---

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