/**
 * Context handed to descendants of `<ScrollArea.Viewport>`. Currently only
 * `<ScrollArea.Content>` uses this — it calls `computeThumbPosition()` when
 * its ResizeObserver fires.
 */
export interface ScrollAreaViewportContextValue {
    computeThumbPosition: () => void;
}
/**
 * `createContext<T | null>(null)` + `== null` sentinel —
 * Solid 2's `useContext` throws `ContextNotFoundError` when the default is
 * `undefined`, which would shadow the intended Base UI error message below.
 */
export declare const ScrollAreaViewportContext: import("solid-js").Context<ScrollAreaViewportContextValue | null>;
export declare function useScrollAreaViewportContext(): ScrollAreaViewportContextValue;
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