PrivateKey.areTypeclass method

Returns true if all the values in collection are instances of PrivateKey.

PrivateKeyareTypecollectionare-private-key-instances

name	type	description
collection	`Array`-like value.	A list of values to be tested.
are-private-key-instances	`Boolean`	`true` if all the values in collection are an instances of `PrivateKey`, `false` otherwise.