Function annotation_class_qualifier_site 

pub fn annotation_class_qualifier_site<'tree>(
    graph: &PythonGraphSource<'_>,
    python: &dyn PythonUsageSource,
    file: &ProjectFile,
    source: &str,
    node: Node<'tree>,
    target: &CodeUnit,
) -> Option<Node<'tree>>

Return the exact qualifier token when a class target owns part of a structured annotation attribute chain.