CredentialSupplier (iceberg-api 1.9.1 API)

```
@Deprecated
public interface CredentialSupplier
```
Deprecated.
since 1.10.0, will be removed in 2.0.0

Interface used to expose credentials held by a FileIO instance.
Tables supply a FileIO instance to use for file access that is configured with the credentials needed to access the table's files. Systems that do not use FileIO can use this interface to get the configured credential as a string, and use the credential for file access via other IO libraries.

- Method Summary
  
  All Methods Instance Methods Abstract Methods Deprecated Methods
  Modifier and Type Method Description
  
  java.lang.String getCredential()
  Deprecated.
  
  Returns the credential string

- Method Detail
  - getCredential
```
java.lang.String getCredential()
```
    Deprecated.
    
    Returns the credential string