NARU API
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    Interface PreparedCompiledGltfDecoder

    Document-scoped decode state. Active-node transforms and target-chunk occurrence membership are prepared once, then reused for every binary range.

    interface PreparedCompiledGltfDecoder {
        activeNodeCount: number;
        hierarchy: CompiledHierarchy;
        renderableNodeCount: number;
        targetChunkResidencyCosts: ReadonlyMap<string, ResidencyCost>;
        decode(
            binary: ArrayBuffer,
            options?: DecodeCompiledGltfOptions,
        ): DecodedCompiledScene;
    }
    Index
    activeNodeCount: number
    renderableNodeCount: number
    targetChunkResidencyCosts: ReadonlyMap<string, ResidencyCost>

    Residency cost each target chunk would add once decoded, keyed by chunk id. Accessor counts determine it, so a scheduler can refuse a chunk the budget cannot hold without spending a range request on it.