/** The sliver of the Skia module surface this probe needs. Deliberately minimal:
 *  the real types arrive with the renderer, not with the probe. */
interface SkiaModule {
    Skia?: {
        Paint?: () => unknown;
    };
}
/** The resolved module, for the renderer to draw with. Undefined when the peer is
 *  absent, which is the normal case and never an error. */
export declare function skiaModule(): SkiaModule | undefined;
/** Re-run the probe and notify mounted backdrops. An app calls this once its GPU
 *  backend has finished loading (on web, after CanvasKit resolves); every mounted
 *  surface then upgrades on its next commit. Safe to call any number of times. */
export declare function refreshBackdropRenderer(): void;
/** Whether the GPU renderer is available to draw with. False means the SVG
 *  baseline renders, which is a complete picture rather than a degraded one. */
export declare function useGpuBackdrop(): boolean;
export {};
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