fn map_rust_child_diagnostic(
config: &DiagnosticsMapConfig,
workspace_root: &AbsPath,
rd: &Diagnostic,
snap: &GlobalStateSnapshot,
) -> MappedRustChildDiagnosticfn map_rust_child_diagnostic(
config: &DiagnosticsMapConfig,
workspace_root: &AbsPath,
rd: &Diagnostic,
snap: &GlobalStateSnapshot,
) -> MappedRustChildDiagnostic