- Open the `<IS_HOME>/repository/conf/identity/identity.xml` file and uncomment the following entry under `<OAuth>` element.

```
<IdentityOAuthTokenGenerator>org.wso2.carbon.identity.oauth2.token.JWTTokenIssuer</IdentityOAuthTokenGenerator>
```

- Restart the server.

			if buf.Len() > 0 {
				buf.WriteString("&")
			}
			buf.WriteString(t.String())
		}
		return buf.String()
	}
	return ""
}

// Validate - validates the rule element
func (r Rule) Validate(bucket string, sameTarget bool) error {
	if err := r.validateID(); err != nil {
		return err
	}
	if err := r.validateStatus(); err != nil {
		return err
	}

  }

  /**
   * Returns an iterable that applies {@code convert} to each element of {@code fromIterable}. The
   * conversion is done lazily.
   *
   * <p>The returned iterable's iterator supports {@code remove()} if the input iterator does. After
   * a successful {@code remove()} call, {@code fromIterable} no longer contains the corresponding
   * element.
   */
  /*

  public boolean containsKey(Object key) {
    return map.containsKey(key);
  }

  /**
   * Returns the number of key-value mappings in this map. If the map contains more than {@code
   * Integer.MAX_VALUE} elements, returns {@code Integer.MAX_VALUE}.
   */
  public int size() {
    return map.size();
  }

  /** Returns {@code true} if this map contains no key-value mappings. */
  public boolean isEmpty() {

<img src="/img/python-types/image05.png">

Without types, that's almost impossible to achieve.

Notice that the variable `item` is one of the elements in the list `items`.

And still, the editor knows it is a `str`, and provides support for that.

#### Tuple and Set { #tuple-and-set }

You would do the same to declare `tuple`s and `set`s:

        if (array.length == 1) {
            return StringUtil.capitalize(s);
        }
        final StringBuilder buf = new StringBuilder(40);
        for (final String element : array) {
            buf.append(StringUtil.capitalize(element));
        }
        return buf.toString();
    }

    /**
     * Converts a camel case string to an underscore-separated string.
     * <p>
     * Usage example:

	// Move vector element to scalar.
	XVMOVQ		X0, X31.W[7]    // 1fdcff76
	XVMOVQ		X1, X29.W[0]    // 3dc0ff76
	XVMOVQ		X3, X28.V[3]    // 7cecff76
	XVMOVQ		X4, X27.V[0]    // 9be0ff76
	XVMOVQ		X31.W[7], X0    // e0df0377
	XVMOVQ		X29.W[0], X1    // a1c30377
	XVMOVQ		X28.V[3], X8    // 88ef0377
	XVMOVQ		X27.V[0], X9    // 69e30377

	// Move vector element to vector.
	VMOVQ		V1.B[3], V9.B16 // 298cf772

  int64_t* dims;
  // The data type. May be 0 to denote unknown type.
  TF_DataType dtype;
};

typedef struct TF_ShapeAndType TF_ShapeAndType;

// A list of TF_ShapeAndType elements..
struct TF_ShapeAndTypeList {
  int num_items;
  TF_ShapeAndType* items;
};
typedef struct TF_ShapeAndTypeList TF_ShapeAndTypeList;

// API for manipulating TF_ShapeAndTypeList objects.
//

        iterator.remove();
        fail("Remove on unmodifiable iterator succeeded");
      } catch (UnsupportedOperationException expected) {
      }
    }
  }

  /**
   * Asserts that two iterators contain elements in tandem.
   *
   * <p>This test only works with iterators that iterate over a finite set.
   */
  public static void assertIteratorsInOrder(
      Iterator<?> expectedIterator, Iterator<?> actualIterator) {

        }
    }

    /**
     * Validate array size before allocation
     *
     * @param size array size to allocate
     * @param elementSize size of each element
     * @param maxElements maximum allowed elements
     * @throws SmbException if allocation would be too large
     */
    public void validateArrayAllocation(int size, int elementSize, int maxElements) throws SmbException {