export interface LikeUiState {
    isLiked: boolean;
    likeCount: number;
}
interface RollbackOptimisticLikeStateParams {
    current: LikeUiState;
    snapshot: LikeUiState;
    didApplyOptimisticUpdate: boolean;
}
export declare function clampLikeCount(nextCount: number): number;
export declare function applyOptimisticLike(state: LikeUiState): LikeUiState;
export declare function applyOptimisticUnlike(state: LikeUiState): LikeUiState;
export declare function rollbackOptimisticLikeState({ current, snapshot, didApplyOptimisticUpdate, }: RollbackOptimisticLikeStateParams): LikeUiState;
export {};