type OptionalNumber = number | null | undefined;
type FloatingAnchorGeometry = {
    anchorTop: OptionalNumber;
    anchorBottom?: OptionalNumber;
    viewportTop: OptionalNumber;
    viewportBottom: OptionalNumber;
};
type OffscreenFloatingCardInput = FloatingAnchorGeometry & {
    cardHeight: OptionalNumber;
};
type FloatingCommentDialogMountInput = {
    id: string | null | undefined;
    visibleIds?: ReadonlySet<string> | null;
    activeCommentInstanceId?: string | null;
};
type RemovedReviewCardContinuityInput = {
    previousIds: readonly string[];
    currentIds: ReadonlySet<string>;
    removedId: string | null | undefined;
};
export declare const isAnchorOutsideFloatingViewport: (anchorTop: OptionalNumber, viewportTop: OptionalNumber, viewportBottom: OptionalNumber, anchorBottom?: OptionalNumber) => boolean;
export declare const shouldKeepFloatingCardAtAnchor: ({ anchorTop, anchorBottom, viewportTop, viewportBottom, }: FloatingAnchorGeometry) => boolean;
export declare const resolveOffscreenFloatingCardTop: ({ anchorTop, anchorBottom, cardHeight, viewportTop, viewportBottom, }: OffscreenFloatingCardInput) => number | null;
export declare const shouldMountFloatingCommentDialog: ({ id, visibleIds, activeCommentInstanceId, }: FloatingCommentDialogMountInput) => boolean;
export declare const resolveRemovedReviewCardContinuityTarget: ({ previousIds, currentIds, removedId, }: RemovedReviewCardContinuityInput) => string | null;
export {};