# `GSCFIndexToCFIndexMap indexValueForIndexKeyNoDefault:`

*Instance Method*

## Declaration

```swift
func indexValue(forIndexKeyNoDefault indexKey: CFIndex) -> CFIndex
```

```objc
- (CFIndex) indexValueForIndexKeyNoDefault:(CFIndex) indexKey;
```

```python
indexValueForIndexKeyNoDefault_(indexKey: CFIndex) -> CFIndex
```