@PublicEvolving
public interface Sink<InputT> extends Serializable {
    ... current methods
  
    @PublicEvolving
    public interface InitContext {
        ... current methods
 
        /**          
         * Returns the {@link ReadableExecutionConfig} for the currently executing job.
         */
        ReadableExecutionConfig getReadableExecutionConfig();
 
        /**
         * The ID of the current job. Note that Job ID can change in particular upon manual restart.
         * The returned ID should NOT be used for any job management tasks.
         */
        JobID getJobId();    
    }
}