How can i convert this collider into uniscript

Collider hitColliders = Physics.OverlapSphere(myTransform.position, radius, blastMask);

I did this but im getting a error

var hitColliders : Collider = Physics.OverlapSphere(myTransform.position, radius, blastMask);

The type should be Collider, not Collider:

 var hitColliders : Collider[] = Physics.OverlapSphere(myTransform.position, radius, blastMask);