/// An example function.
/// Documentation goes here.
///
/// - Parameters:
///   - optionalClosure:    An optional closure.
///   - aClosureParameter:  This will not be displayed.
func exampleMethod(optionalClosure: ((_ aClosureParameter: Bool) -> Void)?) {
    // Do something
}

/// An example function.
/// Documentation goes here.
///
/// - Parameters:
///   - optionalClosure:    An optional closure.
///   - aClosureParameter:  This **will** be displayed.
func exampleMethod(optionalClosure: Optional<(_ aClosureParameter: Bool) -> Void>) {
    // Do something
}