[incorrect warning] azurerm_subnet . address_prefixes

[sogaoh]

Prerequisites

• [x] Ensure you have latest version of plugin installed
• [x] Search for possible issue duplicates

Installation details

• [x] IDE version : IntelliJ IDEA 2020.1.1 (Ultimate Edition) Build #IU-201.7223.91, built on April 30, 2020
• [x] intellij-hcl plugin version: 0.7.7
• [x] Terraform version: v0.12.24

Terraform Configuration Files

resource "azurerm_subnet" "example-subnet" {
  name                 = "example-subnet"
  virtual_network_name = azurerm_virtual_network.example_vnet.name
  resource_group_name  = azurerm_resource_group.example_rg.name
  address_prefixes     = ["172.31.20.0/24"]
  #address_prefix       = "172.31.20.0/24"
}

(same as https://gist.github.com/sogaoh/e7e32724cd62acdece46b72cc80b867a )

Exception

(none: Only WARNING)

Expected Behavior

No WARNING showed.

Actual Behavior

• Missing required properties: address_prefix showed.

• [supplement] When run terraform plan on using address_prefix , the warinig message Warning: "address_prefix": [DEPRECATED] Use the 'address_prefixes' property instead. showed.
  

Steps to Reproduce

1. Generate a new .tf file.
2. Copy & paste example_subnet.tf content. (See above section Terraform Configuration Files)