{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Policy",
  "type": "object",
  "description": "An IAM policy for a Cloud Storage resource.",
  "properties": {
    "kind": {
      "type": "string",
      "description": "The kind of item this is."
    },
    "resourceId": {
      "type": "string",
      "description": "The ID of the resource to which this policy belongs."
    },
    "version": {
      "type": "integer",
      "description": "The version of the policy. Valid values are 1 and 3. Any request that specifies conditional role bindings must specify version 3."
    },
    "etag": {
      "type": "string",
      "description": "HTTP 1.1 Entity tag for the policy. Used for optimistic concurrency control."
    },
    "bindings": {
      "type": "array",
      "description": "A list of members bound to a role."
    }
  }
}