adExtensionOverride.setOverrideInfo(new OverrideInfo(new LocationOverrideInfo(new Integer(30),
LocationOverrideInfoRadiusUnits.MILES)));
adExtensionOverride.setStatus(AdExtensionOverrideStatus.ACTIVE);
// Create operations.
AdExtensionOverrideOperation operation = new AdExtensionOverrideOperation();
operation.setOperand(adExtensionOverride);
operation.setOperator(Operator.ADD);
AdExtensionOverrideOperation[] operations = new AdExtensionOverrideOperation[] {operation};
// Add ad extension override.
AdExtensionOverrideReturnValue result = service.mutate(operations);