---
title: kUnicodeTextRunHeuristicsMask
framework: Core Services
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 17.0+, macOS 10.0+]
path: coreservices/1433493-conversion_masks/kunicodetextrunheuristicsmask
---

# kUnicodeTextRunHeuristicsMask

## Declaration

```occ
kUnicodeTextRunHeuristicsMask = 1L << kUnicodeTextRunHeuristicsBit
```