assertEquals(0, roleSet.size());

        roleQueryHelperImpl.parameterKey = "fess3";

        roleQueryHelperImpl.encryptedParameterValue = false;
        roleSet = buildByParameter(roleQueryHelperImpl, getMockRequest());
        assertEquals(0, roleSet.size());

        roleQueryHelperImpl.parameterKey = "fess4";

        roleQueryHelperImpl.cipher = cipher;

        this.roleSeparator = roleSeparator;
    }

    /**
     * Sets the parameter key.
     * @param parameterKey The parameter key.
     */
    public void setParameterKey(final String parameterKey) {
        this.parameterKey = parameterKey;
    }

    /**
     * Sets whether the parameter value is encrypted.

	</component>
	<component name="roleQueryHelper" class="org.codelibs.fess.helper.RoleQueryHelper">
		<!-- ex. parameter: fessRoles=123%0aRadmin -->
		<!-- 
		<property name="parameterKey">"fessRoles"</property>
		<property name="encryptedParameterValue">false</property>
		<property name="headerKey">"fessRoles"</property>
		<property name="encryptedHeaderValue">true</property>