Luxar Viewer API Documentation - v2026.9.22
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    The optional progressive surface a refinable loader may expose.

    Every field is optional because the loader maps are typed as the plain per-geometry *DataLoader: a single-shot spatial-index loader has no ladder, no pass to unwind and no residency to measure. hasMoreLODs !== true is the gate that keeps the rest from being reached for one.

    interface RefinableLoader {
        hasMoreLODs?: boolean;
        loadedLODCount?: number;
        totalLODCount?: number;
        rollbackToPassStart?: () => number;
        ladderResidency?: () => LadderResidency;
    }
    Index
    hasMoreLODs?: boolean
    loadedLODCount?: number
    totalLODCount?: number
    rollbackToPassStart?: () => number
    ladderResidency?: () => LadderResidency