Function analyze_focused 

pub fn analyze_focused(
    root: &Path,
    focus: &str,
    follow_depth: u32,
    max_depth: Option<u32>,
    ast_recursion_limit: Option<usize>,
) -> Result<FocusedAnalysisOutput, AnalyzeError>

Analyze a symbol’s call graph with use_summary parameter (internal). Analyze a symbol’s call graph across a directory.