I solved the problem. I added the “babylonjs-gltf2interface” module to “types”:
{
“compilerOptions”: {
“target”: “es5”,
“module”: “amd”,
“sourceMap”: true,
“outDir”: “…/public/js”,
“types”: [
“requirejs”, “babylonjs”, “babylonjs-loaders”, “babylonjs-gltf2interface”
]
},
“include”: [
“…/src/client/**/*.ts”
]
}