export type QueryKey = readonly unknown[];
export type QueryStatus = "pending" | "loading" | "success" | "error";
export interface QueryState<TData = unknown, TError = unknown> {
    data: TData | undefined;
    error: TError | null;
    isLoading: boolean;
    isFetching: boolean;
    isSuccess: boolean;
    isError: boolean;
    status: QueryStatus;
    dataUpdatedAt: number | null;
    errorUpdatedAt: number | null;
}
export interface QueryOptions<TData = unknown, _TError = unknown> {
    queryKey: QueryKey;
    queryFn: () => Promise<TData>;
    staleTime?: number;
    cacheTime?: number;
    refetchOnMount?: boolean;
    retry?: number | boolean;
    throwError?: boolean;
}
export interface QueryClientOptions {
    defaultOptions?: {
        queries?: Partial<Omit<QueryOptions, "queryKey" | "queryFn">>;
    };
}
export interface QueryCacheEntry<TData = unknown, TError = Error> {
    queryKey: QueryKey;
    state: QueryState<TData, TError>;
    queryFn: () => Promise<TData>;
    options: Required<QueryOptions<TData, TError>>;
    promise: Promise<TData> | null;
    subscribers: Set<() => void>;
    createdAt: number;
    lastAccessedAt: number;
}
export interface QueryResult<TData = unknown, TError = Error> {
    data: () => TData | undefined;
    error: () => TError | null;
    isLoading: () => boolean;
    isFetching: () => boolean;
    isSuccess: () => boolean;
    isError: () => boolean;
    status: () => QueryStatus;
    dataUpdatedAt: () => number | null;
    errorUpdatedAt: () => number | null;
    refetch: () => Promise<void>;
    invalidate: () => void;
}
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