a Map value which is key to value mappings
Fetch a property of NObject
Fetch index-th element of NArray
Fetch index-th element of NArray
index-th element of NArray
UnsupportedOperationException
if it's not a NArray
a Map value which is key to value mappings
Fetch a property of NObject.
Extract a plain Scala value
Represent an object in NSON
a Map value which is key to value mappings