header
fun headerConfig(height: HeaderHeight = HeaderHeight.Fixed(HeaderHeightDp), gradient: Brush? = null, isExpandedWhenFirstDisplayed: Boolean = true, parallaxMultiplier: Float = HeaderParallaxMultiplier, snapOnRelease: Boolean = false, scrollMode: ScrollMode = ScrollMode.ExitUntilCollapsed, fadeOnCollapse: Boolean = true, stretchEnabled: Boolean = false, stretchTriggerDistance: Dp = StretchTriggerDistance, animationSpec: AnimationSpec<Float> = AnimationSpec, snapThreshold: Float = SnapThreshold): ParallaxHeaderConfig(source)