import { SpwNode } from "../ast/nodes/abstract/node";
import { SpwItemKind } from "../ast/types/kind";
import { SpwItem } from "../ast/abstract/item";
export declare type RegisterEntry = {
    item: SpwItem;
    time: number;
};
declare type RegisterParameters = {
    memory?: number | null;
};
export declare class RuntimeRegister {
    private readonly memory;
    private counter;
    private _entries;
    constructor({ memory }?: RegisterParameters);
    get entries(): RegisterEntry[];
    get flat(): SpwItem[];
    add<K extends SpwItemKind>(item: SpwNode<K>): this;
}
export {};