grep -R "== null || contains"  
./modules/terraform-aci-nutanix-vmm-domain/variables.tf:      for v in values(var.controller_profile) : v.aos_version == null || contains(["unknown", "6.5", "6.6"], v.aos_version)
./modules/terraform-aci-route-control-route-map/variables.tf:      for ctx in var.contexts : ctx.action == null || contains(["deny", "permit"], ctx.action)
./modules/terraform-aci-vrf/variables.tf:    condition     = var.enforcement_direction == null || contains(["ingress", "egress"], var.enforcement_direction)
./modules/terraform-aci-ip-sla-policy/variables.tf:    condition     = var.http_method == null || contains(["get"], var.http_method)
./modules/terraform-aci-ip-sla-policy/variables.tf:    condition     = var.http_version == null || contains(["HTTP10", "HTTP11"], var.http_version)
./modules/terraform-aci-set-rule/variables.tf:      for c in var.set_as_paths : c.criteria == null || contains(["prepend", "prepend-last-as"], c.criteria)
./modules/terraform-aci-access-span-source-group/variables.tf:      for s in var.sources : s.direction == null || contains(["in", "both", "out"], s.direction)