export interface SelectionModelChange<T> {
    /**
     * 当前所选值
     */
    values: T[];
    /**
     * 删除值
     */
    removed: T[];
    /**
     * 新增值
     */
    added: T[];
}
export declare class SelectionModel<T> {
    private multiple;
    private limit;
    private _selected;
    private _selection;
    private get selection();
    private unselectedEmit;
    private selectedEmit;
    private listeners;
    private _exceeded;
    /**
     * 所选的值数量是否达到最大值
     */
    get exceeded(): boolean;
    get selected(): T[];
    get size(): number;
    constructor(multiple?: boolean, initialSelectedValues?: T[], limit?: number);
    subscribe(fn: (payload: SelectionModelChange<T>) => void): () => void;
    isEmpty(): boolean;
    isMultiple(): boolean;
    isSelected(value: T): boolean;
    toggle(...values: T[]): void;
    select(...values: T[]): void;
    unselect(...values: T[]): void;
    clear(): void;
    private verifyValues;
    private emitChange;
    private markSelected;
    private unMarkAll;
    private unMarkSelected;
    private calcExceeded;
    private triggerChange;
}
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