// Store new keys
            keyManager.storeSessionKey(encKeyId, newEncryptionKey, "AES");
            keyManager.storeSessionKey(decKeyId, newDecryptionKey, "AES");

            log.debug("Keys rotated successfully in SecureKeyManager");
        } else {
            // Securely wipe old keys
            secureWipeKeys();

            // Store new keys

 * a {@code Map<R, Map<C, V>>}. A method call like {@code column(columnKey).get(rowKey)} still runs
 * quickly, since the row key is provided. However, {@code column(columnKey).size()} takes longer,
 * since an iteration across all row keys occurs.
 *
 * <p>Because a {@code TreeBasedTable} has unique sorted values for a given row, both {@code

  the user should see now the buckets and objects they have access to.

## Explore Further

- [MinIO Admin Complete Guide](https://docs.min.io/community/minio-object-store/reference/minio-mc-admin.html)

        String sessionId = "test-session-1";
        keyManager.storeSessionKey(sessionId, testKey, "AES");

        SecretKey retrieved = keyManager.getSessionKey(sessionId);
        assertNotNull(retrieved, "Should retrieve stored key");
        assertArrayEquals(testKey, retrieved.getEncoded(), "Retrieved key should match");
    }

    @Test
    public void testGetRawKey() {
        String sessionId = "test-session-2";

- [Object Lock and Immutability Guide](https://docs.min.io/community/minio-object-store/administration/object-management/object-retention.html)
- [MinIO Admin Complete Guide](https://docs.min.io/community/minio-object-store/reference/minio-mc-admin.html)

  }

  /*
   * We don't define getPredecessor+getSuccessor and setPredecessor+setSuccessor here because
   * they're defined above -- including logic to add and subtract 1 to map between the values stored
   * in the predecessor/successor arrays and the indexes in the elements array that they identify.
   */

            when(request.getSession()).thenReturn(session);

            ntlmServlet.service(request, response);

            // Verify that user information is stored in the session
            verify(session).setAttribute("NtlmHttpAuth", ntlmAuth);
            verify(session).setAttribute("ntlmuser", "user");
            verify(session).setAttribute("ntlmdomain", "TEST_DOMAIN");

            throw new SsoLoginException("Failed to parse an authentication response.", e);
        }
    }

    /**
     * Validates the nonce in the authentication result.
     * @param stateData The stored state data containing the expected nonce.
     * @param authData The authentication result containing the actual nonce.
     */
    protected void validateNonce(final StateData stateData, final IAuthenticationResult authData) {

// Now it can read the environment variable

Hello Wade Wilson from Python
```

</div>

////

As environment variables can be set outside of the code, but can be read by the code, and don't have to be stored (committed to `git`) with the rest of the files, it's common to use them for configurations or **settings**.

    public Object remove(final Object key) {
        return parent.remove(key);
    }

    /**
     * Copies all of the mappings from the specified map to this map.
     *
     * @param m the mappings to be stored in this map
     */
    @Override
    public void putAll(final Map<? extends String, ? extends Object> m) {
        parent.putAll(m);
    }

    /**
     * Removes all of the mappings from this map.