export type SelectionProps<T> = {
    initial?: T[];
    all?: T[];
    single?: boolean;
};
export default function selectionStore<T>(props?: SelectionProps<T>): import("svelte/store").Readable<{
    selected: T | T[];
    toggleSelected: (value: T) => void;
    isSelected: (value: T) => boolean;
    toggleAll: () => void;
    isAllSelected: () => boolean;
    isAnySelected: () => boolean;
    clear: () => void;
    all: import("svelte/store").Writable<T[]>;
}>;