v1.12.2/internal/stacks/stackruntime/testdata/mainbundle/test/with-provider-functions/with-provider-functions.tfstack.hcl

required_providers {
  testing = {
    source  = "hashicorp/testing"
    version = "0.1.0"
  }
}

provider "testing" "default" {}

variable "input" {
  type = string
}

component "self" {
  source = "./"

  providers = {
    testing = provider.testing.default
  }

  inputs = {
    id    = "2f9f3b84"
    input = provider::testing::echo(var.input)
  }
}

output "value" {
  type = string
  value = provider::testing::echo(component.self.value)
}