getRequiredPropertyAs<T> method
Retrieves and converts the property key to type T, or throws IllegalStateException if missing or invalid.
targetType - the expected type of the property value key - the property key
Example:
final timeout = resolver.getRequiredPropertyAs<int>('http.timeout');
Implementation
@override
T getRequiredPropertyAs<T>(String key, Class<T> valueType) {
T? value = getPropertyAs<T>(key, valueType);
if (value == null) {
throw IllegalStateException("Required key '$key' not found");
}
return value;
}