rectory</span><span class="p">:</span><span class="nb">str</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
    <span class="n">return_absolute_paths</span><span class="p">:</span><span class="nb">bool</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
    <span class="n">list_valid_filenames_in_directory_function</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
    <span class="n">process_samples_function</