code: function isLayoutSizeDefined (layout) {
    return (
      layout === LAYOUT.FIXED ||
      layout === LAYOUT.FIXED_HEIGHT ||
      layout === LAYOUT.RESPONSIVE ||
      layout === LAYOUT.FILL ||
      layout === LAYOUT.FLEX_ITEM ||
      layout === LAYOUT.INTRINSIC
    )
  }
docs: Whether an element with this layout inherently defines the size.
  
  @param {Layout} layout layout name
  @return {boolean}