map method
K?
map(
- K key
Implementation
K? map(K key) {
var k = _keysMapping[key];
if (k != null) return k;
var keysNorm = normalizedKeys(key);
for (var kNorm in keysNorm) {
var k = _keysMapping[kNorm];
if (k != null) return k;
}
return null;
}