Mixed Layout page type meta definition

mixedlayout.json

{
    "name":"Mixed Page Layout",
    "description":"Page Layout with a fixed set of banner and tile regions and a flexible main region",
    "region_definitions":[
      {
        "id":"banner",
        "name":"Banner Region",
        "max_components":1,
        "component_type_exclusions": [
          { "type_id": "layouts.1column" },
          { "type_id": "layouts.2column" },
          { "type_id": "layouts.3column" },
          { "type_id": "layouts.4column" },
          { "type_id": "layouts.carousel" },
          { "type_id": "layouts.gridcomponentlayout" },
          { "type_id": "assets.categorytile" },
          { "type_id": "assets.producttile" },
          { "type_id": "assets.topsellertile" } 
        ]
      },
      {
        "id":"main",
        "name":"Main Region",
        "component_type_exclusions": [
          { "type_id": "assets.categorytile" },
          { "type_id": "assets.headlinebanner" },
          { "type_id": "assets.producttile" },
          { "type_id": "assets.topsellertile" },
          { "type_id": "layouts.carousel" }
        ]
      },
      {
        "id":"tile1",
        "name":"Left Tile Region",
        "max_components":1,
        "component_type_exclusions": [
          { "type_id": "layouts.1column" },
          { "type_id": "layouts.2column" },
          { "type_id": "layouts.3column" },
          { "type_id": "layouts.4column" },
          { "type_id": "layouts.carousel" },
          { "type_id": "layouts.gridcomponentlayout" },
          { "type_id": "assets.headlinebanner" }
        ]
      },
      {
        "id":"tile2",
        "name":"Center Tile Region",
        "max_components":1,
        "component_type_exclusions": [
          { "type_id": "layouts.1column" },
          { "type_id": "layouts.2column" },
          { "type_id": "layouts.3column" },
          { "type_id": "layouts.4column" },
          { "type_id": "layouts.carousel" },
          { "type_id": "layouts.gridcomponentlayout" },
          { "type_id": "assets.headlinebanner" }
        ]
      },
      {
        "id":"tile3",
        "name":"Right Tile Region",
        "max_components":1,
        "component_type_exclusions": [
          { "type_id": "layouts.1column" },
          { "type_id": "layouts.2column" },
          { "type_id": "layouts.3column" },
          { "type_id": "layouts.4column" },
          { "type_id": "layouts.carousel" },
          { "type_id": "layouts.gridcomponentlayout" },
          { "type_id": "assets.headlinebanner" }
        ]
      }
    ]
}