pub fn layout_flowchart_v2(
semantic: &Value,
effective_config: &Value,
measurer: &dyn TextMeasurer,
) -> Result<FlowchartV2Layout>pub fn layout_flowchart_v2(
semantic: &Value,
effective_config: &Value,
measurer: &dyn TextMeasurer,
) -> Result<FlowchartV2Layout>