import { Base, IList$1, IList, IEnumerator$1, IEnumerator, Type } from "./type";
/**
 * @hidden
 */
export declare class ReadOnlyDoubleCollection extends Base implements IList$1<number>, IList {
    static $t: Type;
    constructor(a: number);
    constructor(a: number, b: IList$1<number>);
    constructor(a: number, ..._rest: any[]);
    private a;
    item(a: number, b?: number): number;
    indexOf(a: number): number;
    insert(a: number, b: number): void;
    removeAt(a: number): void;
    get count(): number;
    get isReadOnly(): boolean;
    add(a: number): void;
    clear(): void;
    contains(a: number): boolean;
    copyTo(a: number[], b: number): void;
    remove(a: number): boolean;
    getEnumerator(): IEnumerator$1<number>;
    getEnumeratorObject(): IEnumerator;
    get isFixedSize(): boolean;
    add1(a: any): number;
    contains1(a: any): boolean;
    indexOf1(a: any): number;
    insert1(a: number, b: any): void;
    remove1(a: any): void;
    copyTo1(a: any[], b: number): void;
    protected get b(): IList$1<number>;
    get isSynchronized(): boolean;
    private readonly c;
    get syncRoot(): any;
}