{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "TaskDefinitionPlacementConstraint",
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "description": "The type of constraint."
    },
    "expression": {
      "type": "string",
      "description": "A cluster query language expression to apply to the constraint."
    }
  }
}