"p">:</span> <span class="n">GraphObjectId</span>

    <span class="n">context_type</span><span class="p">:</span> <span class="n">ContextType</span>

    <span class="n">context_state</span><span class="p">:</span> <span class="n">ContextState</span>

    <span class="c1">#: Platform-dependent callback buffer size.</span>
    <span class="n">callback_buffer_size</span><span class="p">:</span> <span class="nb">float</span>

    <span class="c1">#: Number of output channels supported by audio hardware in use