in Sources/SwiftCodeSanKit/FileParsers/DeclParser.swift [68:80]
func scanDecls(fileToModuleMap: [String: String],
topDeclsOnly: Bool,
whitelist: Whitelist?,
completion: @escaping (String, DeclMap) -> ()) {
scan(fileToModuleMap) { (path: String, module: String, lock: NSLock?) in
self.visitSrc(path: path,
module: module,
topDeclsOnly: topDeclsOnly,
whitelist: whitelist,
lock: lock,
completion: completion)
}
}