<sketch_constraint_shape_selector id="ConstraintEntityA"
label="First line" tooltip="Select an line in the viewer"
shape_types="edge" use_subshapes="true">
+ <selection_filter id="LinearEdgeFilter"/>
</sketch_constraint_shape_selector>
<sketch_constraint_shape_selector id="ConstraintEntityB" label="Last line" tooltip="Select an line in the viewer"