/**
 * Fills a nested sheet — the same `insets.top` its `BottomSheetModal` is capped
 * by, so the screen and the sheet can't drift apart. A `FlowSheet` step waives
 * that cap (`topInset={0}`) and takes the whole window instead.
 */
export declare function useNestedSheetHeight(): number;
/**
 * Fills a `FlowSheet` step, which waives that cap (`topInset={0}`) and spans
 * the whole window — so the step owes the inset its sheet no longer pays.
 * Without it the first thing a step draws, the back disc, sits under the
 * status bar.
 */
export declare function useFlowStepFrame(): {
    height: number;
    paddingTop: number;
};
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