Babylon.js/Tools/Config/tempCircularValidation/loaders.json

{
    "../../loaders/src/glTF/1.0/glTFLoader.ts": [
        "../../loaders/src/glTF/1.0/glTFLoaderExtension.ts"
    ],
    "../../loaders/src/glTF/1.0/glTFLoaderExtension.ts": [
        "../../loaders/src/glTF/1.0/glTFLoader.ts"
    ]
}