SignatureKeyPair.areTypeclass method

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

SignatureKeyPairareTypecollectionare-signature-key-pair-instances

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