erwise, the value zero is written to <em class="parameter"><code>params</code></em>.
        </p>
        <p>
            For the property <code class="constant">GL_TOP_LEVEL_ARRAY_SIZE</code>, a single integer identifying the
            number of active array elements of the top-level shader storage block
            member containing to the active variable is written to <em class="parameter"><code>params</code></em>.  If the
            top-level block member is not declared as an array, the value one is