export interface ICollection<T> {
    Add(key: string, value: T): void;
    ContainsKey(key: string): boolean;
    Count(): number;
    Item(key: string): T | undefined;
    Keys(): string[];
    Remove(key: string): T | null;
    Values(): T[];
    Clear(): void;
}
export declare class Dictionary<T> implements ICollection<T> {
    private _items;
    private _count;
    constructor();
    ContainsKey(key: string): boolean;
    Count(): number;
    Add(key: string, value: T): void;
    Remove(key: string): T | null;
    Item(key: string): T | undefined;
    Keys(): string[];
    Values(): T[];
    Clear(): void;
}