function isBigInt64Array( value ) {
	return (
		( hasBigInt64Array && value instanceof BigInt64Array ) || // eslint-disable-line stdlib/require-globals, no-undef
		nativeClass( value ) === '[object BigInt64Array]'
	);
}
Tests if a value is a BigInt64Array.

@param {*} value - value to test
@returns {boolean} boolean indicating whether the value is a BigInt64Array

@example
var bool = isBigInt64Array( new BigInt64Array( 2 ) );
// returns true

@example
var bool = isBigInt64Array( [] );
// returns false

@example
var bool = isBigInt64Array( 123 );
// returns false