_getMappedKey (key) Stringprivate
Looks up the property key that was set by the custom attr mapping passed to the serializer.
Parameters:
- 
key 
String 
Returns:
- 
String - key
 
_getMappedKey (key) Stringprivate
Looks up the property key that was set by the custom attr mapping passed to the serializer.
String
String 
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