SingleContextEntry.fromString constructor
      
      SingleContextEntry.fromString(
    
- String string
Creates a new SingleContextEntry from a string that represents a URI.
If the string should not be a valid URI, this factory constructor will
throw a FormatException.
Implementation
factory SingleContextEntry.fromString(String string) {
  final parsedUri = Uri.tryParse(string);
  if (parsedUri == null) {
    throw FormatException("Encountered invalid URI $string");
  }
  return SingleContextEntry(parsedUri);
}