PhoneMetadataFileNameProvider (libphonenumber 8.13.2 API)

All Known Implementing Classes:

MultiFileModeFileNameProvider, SingleFileModeFileNameProvider
```
public interface PhoneMetadataFileNameProvider
```
Abstraction responsible for inferring the metadata file name.
Two implementations are available:
- SingleFileModeFileNameProvider for single-file metadata.
- MultiFileModeFileNameProvider for multi-file metadata.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  java.lang.String getFor(java.lang.Object key)
  Returns phone metadata file path for the given key.

- Method Detail
  - getFor
```
java.lang.String getFor(java.lang.Object key)
```
    Returns phone metadata file path for the given key. Assumes that key.toString() is well-defined.