# PDFLConstants Interface

> Interface PDFLConstants.

- Product: Adobe PDF Library 21
- Language: Java
- Version: APDFL21.0.0PlusP1c
- HTML page: https://docs.datalogics.com/apdfl21/Java/APDFL21.0.0PlusP1c/interface/PDFLConstants
- Version index: https://docs.datalogics.com/apdfl21/Java/APDFL21.0.0PlusP1c/llms.txt

```java
interface PDFLConstants
```

**Namespace:** `com::datalogics::PDFL`