export declare class Coarena<T> {
    fconv: Float64Array;
    uconv: Uint32Array;
    data: Array<T>;
    size: number;
    constructor();
    set(handle: number, data: T): void;
    len(): number;
    delete(handle: number): void;
    clear(): void;
    get(handle: number): T | null;
    forEach(f: (elt: T) => void): void;
    getAll(): Array<T>;
    private index;
}