load
abstract fun load(target: ImageView, data: Any?, @DrawableRes placeholderResId: Int? = null, transformation: StreamImageLoader.ImageTransformation = ImageTransformation.None, onStart: () -> Unit = {}, onComplete: () -> Unit = {}): Disposable
abstract fun load(target: ImageView, data: Any?, placeholderDrawable: Drawable? = null, transformation: StreamImageLoader.ImageTransformation = ImageTransformation.None, onStart: () -> Unit = {}, onComplete: () -> Unit = {}): Disposable