nl_tokens: A placeholder can contain an image .
pl_tokens: function PlaceholderImage ( props ) { const { className , square , rectangular } = props const <mask> = cx ( useKeyOnly ( square , 'square' ) , useKeyOnly ( rectangular , 'rectangular' ) , 'image' , className , ) const rest = getUnhandledProps ( PlaceholderImage , props ) const ElementType = getElementType ( PlaceholderImage , props ) return < ElementType { ... rest } className = { classes } / > }