// Get - returns the value of a key, if not found returns empty.
func (kvs KVS) Get(key string) string {
	v, ok := kvs.Lookup(key)
	if ok {
		return v
	}
	return ""
}

// Delete - deletes the key if present from the KV list.
func (kvs *KVS) Delete(key string) {
	for i, kv := range *kvs {
		if kv.Key == key {
			*kvs = append((*kvs)[:i], (*kvs)[i+1:]...)
			return
		}
	}
}

			default:
				return errUnknownXMLTag
			}
		}
	}
	return nil
}

// IsEmpty returns true if Filter is not specified in the XML
func (f Filter) IsEmpty() bool {
	return !f.set
}

// Validate - validates the filter element
func (f Filter) Validate() error {
	if f.IsEmpty() {
		return errXMLNotWellFormed
	}
	// A Filter must have exactly one of Prefix, Tag,

	if err != nil {
		return err
	}
	return conn.Ping()
}

type PreparedStmtTX struct {
	Tx
	PreparedStmtDB *PreparedStmtDB
}

func (db *PreparedStmtTX) GetDBConn() (*sql.DB, error) {
	return db.PreparedStmtDB.GetDBConn()
}

func (tx *PreparedStmtTX) Commit() error {
	if tx.Tx != nil && !reflect.ValueOf(tx.Tx).IsNil() {
		return tx.Tx.Commit()
	}
	return ErrInvalidTransaction
}

			return false, fmt.Errorf("kms: incomplete configuration for MinIO KMS: missing '%s'", EnvKMSDefaultKey)
		}
		if !isPresent(EnvKMSAPIKey) {
			return false, fmt.Errorf("kms: incomplete configuration for MinIO KMS: missing '%s'", EnvKMSAPIKey)
		}
		return true, nil
	case staticKeyPresent:
		if isPresent(EnvKMSSecretKey) && isPresent(EnvKMSSecretKeyFile) {

		case data.FileAttributes&syscall.FILE_ATTRIBUTE_DIRECTORY != 0:
			typ = os.ModeDir
		}

		if err = filter(name, typ); err == errDoneForNow {
			// filtering requested to return by caller.
			return nil
		}
	}

	return nil
}

// Return N entries at the directory dirPath.
func readDirWithOpts(dirPath string, opts readDirOpts) (entries []string, err error) {
	// Ensure we don't pick up files as directories.

	}

	n = len(b0) - len(b)
	switch {
	case err == io.EOF:
		return n, errMissData // Less data in dense file than sparse file
	case err != nil:
		return n, err
	case sr.logicalRemaining() == 0 && sr.physicalRemaining() > 0:
		return n, errUnrefData // More data in dense file than sparse file
	case finished:
		return n, io.EOF
	default:
		return n, nil
	}
}

				if r.TLS != nil {
					scheme = "https"
				}
				return scheme
			}(),
		}
	}
	return nil
}

// guessIsHealthCheckReq - returns true if incoming request looks
// like healthCheck request
func guessIsHealthCheckReq(req *http.Request) bool {
	if req == nil {
		return false
	}
	aType := getRequestAuthType(req)

	if err != nil {
		return nil, err
	}

	// Anonymous request return quickly.
	if accessKey == "" || secretKey == "" {
		return req, nil
	}

	for k, v := range headers {
		req.Header.Set(k, v)
	}

	err = signRequestV4(req, accessKey, secretKey)
	if err != nil {
		return nil, err
	}

	return req, nil
}

		return authTypeStreamingUnsignedTrailer
	} else if isRequestSignatureV4(r) {
		return authTypeSigned
	} else if isRequestPresignedSignatureV4(r) {
		return authTypePresigned
	} else if isRequestJWT(r) {
		return authTypeJWT
	} else if isRequestPostPolicySignatureV4(r) {
		return authTypePostPolicy
	} else if _, ok := r.Form[xhttp.Action]; ok {
		return authTypeSTS
	} else if _, ok := r.Header[xhttp.Authorization]; !ok {

        String value = joiner.toString();
        if (value.isEmpty()) {
            return new String[0];
        }
        return new String[] {option, value};
    }

    /**
     * {@return a string representation of this path type for debugging purposes}.
     */
    @Override
    public String toString() {
        return "PathType[" + id() + ']';
    }

    /**