import { type RefObject } from 'react';
import { type DOMElement } from '../ink.js';
export declare function useHistoryViewportSync(input: {
    stdoutRows: number | undefined;
    viewportRows: number;
    setViewportRows(rows: number): void;
}): {
    bottomRegionRef: RefObject<DOMElement | null>;
    statusBarWrapRef: RefObject<DOMElement | null>;
    belowStatusBarRef: RefObject<DOMElement | null>;
    termRows: number;
    /**
     * Measured height (rows) of the status chrome below the pickers: the
     * status bar itself plus everything beneath it (mailbox panel, monitors,
     * key-hint bar). Pickers use it to size their window against the REAL
     * space left after input + status chrome instead of the hardcoded
     * 6-row `shellReservedRows` guess in use-windowed-picker.ts — the guess
     * under-reserves whenever the input wraps or the status bar grows, which
     * is exactly the "theme menu doesn't fit" overflow.
     */
    statusBarRows: number;
};
//# sourceMappingURL=use-history-viewport-sync.d.ts.map