react native box shadow is not a valid style property code example

Example 1: #react native shadow

shadowColor: '#470000',
        shadowOffset: {width: 0, height: 1},
        shadowOpacity: 0.2,
        elevation: 1

Example 2: box shadow in react native

shadowColor: "#000",
shadowOffset: {
	width: 0,
	height: 4,
},
shadowOpacity: 0,
shadowRadius: 4.65,

elevation: 8,

Example 3: box shadow in react native

shadowColor: "#000",
shadowOffset: {
	width: 0,
	height: 1,
},
shadowOpacity: 0.20,
shadowRadius: 1.41,

elevation: 2,

Example 4: box shadow in react native

shadowColor: "#000",
shadowOffset: {
	width: 0,
	height: 5,
},
shadowOpacity: 0.39,
shadowRadius: 8.30,

elevation: 13,