Builds the set of ${modelId}/${format} pairs that have an optimized variant, from a parsed models index.json. Each model entry may carry optimized: string[] — the format keys whose model.optimized.{ext} exists.
${modelId}/${format}
index.json
optimized: string[]
model.optimized.{ext}
Builds the set of
${modelId}/${format}pairs that have an optimized variant, from a parsed modelsindex.json. Each model entry may carryoptimized: string[]— the format keys whosemodel.optimized.{ext}exists.