toValue method
Implementation
String toValue() {
switch (this) {
case StreamViewType.newImage:
return 'NEW_IMAGE';
case StreamViewType.oldImage:
return 'OLD_IMAGE';
case StreamViewType.newAndOldImages:
return 'NEW_AND_OLD_IMAGES';
case StreamViewType.keysOnly:
return 'KEYS_ONLY';
}
}