How to combine multiple inline style objects and inline css in react-native?

How to combine multiple inline style objects and inline css in react-native?

it has 3 style objects TimelineGreenColor, TimelineLeftBorder, TimelineLeftLine to be used in view div

  const stylesB = StyleSheet.create( {
     TimelineGreenColor:
     {
       backgroundColor: "green",
     },
     TimelineLeftBorder:
     {
       position: 'absolute',
       width: 4,
       backgroundColor: "green",
       height: '100%',
       left: 4,
       top: 15,
     },
     TimelineLeftCircle:
     {
       position: 'absolute',
       width: 12,
       height: 12,
       backgroundColor: "green",
       top: 12,
       borderRadius: 50,
       left: 0,
       /*boxShadow: "0px 0px 10px -2px black",*/
     },
     TimelineLeftLine:
     {
       position: 'absolute',
       width: 15,
       height: 3,
       backgroundColor: "green",
       top: 16,
       left: 5,
   }

   <View style={how to write styles in react-native ??????????}></View>