<?xml version="1.0" encoding="UTF-8"?>
<model xmlns="http://www.cellml.org/cellml/2.0#" name="private-model"><component name="cell"><variable name="secret-variable" units="dimensionless"/><math xmlns="http://www.w3.org/1998/Math/MathML">private-equation</math></component><units name="dimensionless"><unit units="second"/></units><connection><map_components component_1="cell" component_2="cell"/></connection><import href="https://example.invalid/model.cellml"/></model>