border top-level property Null safety

Implementation

Map<String, dynamic> border = {
  "border": {
    "transformer": getBorder,
  },
  "borderWidth": {
    "property": "border",
    "scale": "borders",
    "transformer": getBorder,
  },
  "borderStyle": {"property": "border", "scale": "borderStyles"},
  "borderColor": {
    "property": "border",
    "scale": "colors",
    "transformer": getBorder,
  },
  "borderTop": {
    "property": "border",
    "scale": "radii",
    "transformer": getBorder,
  },
  "borderRight": {
    "property": "border",
    "scale": "borders",
    "transformer": getBorder,
  },
  "borderBottom": {
    "property": "border",
    "scale": "borders",
    "transformer": getBorder,
  },
  "borderLeft": {
    "property": "border",
    "scale": "borders",
    "transformer": getBorder,
  },
  "borderX": {
    "property": "border",
    "scale": "borders",
    "transformer": getBorder,
  },
  "borderY": {
    "property": "border",
    "scale": "borders",
    "transformer": getBorder,
  },
  "borderTopWidth": {
    "property": "border",
    "scale": "borders",
    "transformer": getBorder,
  },
  "borderTopColor": {
    "property": "border",
    "scale": "colors",
    "transformer": getBorder,
  },
  "borderTopStyle": {
    "property": "border",
    "scale": "borderStyles",
    "transformer": getBorder,
  },
  "borderBottomWidth": {
    "property": "border",
    "scale": "borders",
    "transformer": getBorder,
  },
  "borderBottomColor": {
    "property": "border",
    "scale": "colors",
    "transformer": getBorder,
  },
  "borderBottomStyle": {
    "property": "border",
    "scale": "borderStyles",
    "transformer": getBorder,
  },
  "borderLeftWidth": {
    "property": "border",
    "scale": "borders",
    "transformer": getBorder,
  },
  "borderLeftColor": {
    "property": "border",
    "scale": "colors",
    "transformer": getBorder,
  },
  "borderLeftStyle": {
    "property": "border",
    "scale": "borderStyles",
    "transformer": getBorder,
  },
  "borderRightWidth": {
    "property": "border",
    "scale": "borders",
    "transformer": getBorder,
  },
  "borderRightColor": {
    "property": "border",
    "scale": "colors",
    "transformer": getBorder,
  },
  "borderRightStyle": {
    "property": "border",
    "scale": "borderStyles",
    "transformer": getBorder,
  },
};