<BUG>public class CredentialManager {</BUG><CONTEXT>import java.util.HashMap;import java.util.Map;import java.util.Set;import com.paypal.exception.InvalidCredentialException;import com.paypal.exception.MissingCredentialException;<extra_id_0>private static CredentialManager instance = null;private Map<String, ICredential> credentialMap = new HashMap<String, ICredential>();private String defaultAcctName = null;</CONTEXT>
public final class CredentialManager {