import { SelectionScope } from './scope-interface';
export declare abstract class AbstractScope implements SelectionScope {
    protected _previousScope: SelectionScope;
    protected _nextScope: SelectionScope;
    protected _locale: any;
    protected _formattiongOptions: any;
    constructor(locale?: any);
    abstract next(date: Date): Date;
    abstract previous(date: Date): Date;
    abstract getItems(date: Date): Date[];
    setNextScope(strategy: SelectionScope): void;
    nextScope(): SelectionScope;
    setPreviousScope(strategy: SelectionScope): void;
    previousScope(): SelectionScope;
    isFinal(): boolean;
    abstract formatDate(date: Date): string;
    abstract title(date: Date): string;
    abstract isEqual(a: Date, b: Date): boolean;
    setLocale(locale: any): void;
}