import * as VV from '@asmartbear/version-vectors';
import AugmentedObjectManager, { AugmentedType } from './manager';
import { LWWRegisterElement, IJsonPayloadType } from './lwwreg';
import PackedBuffer from '../thunk/packed';
declare type GCounterPojo = VV.VV<number>;
declare class GCounterType implements AugmentedType<GCounterElement, GCounterSentinal>, IJsonPayloadType<GCounterPojo> {
    readonly name = "gcounter";
    isNativeTypeCompatible(x: unknown): x is GCounterSentinal;
    createFromExisting(mgr: AugmentedObjectManager, ser: PackedBuffer | GCounterElement): GCounterElement;
    createFromNative(mgr: AugmentedObjectManager, x: GCounterSentinal): GCounterElement;
    writePayload(buf: PackedBuffer, x: GCounterPojo): void;
    readPayload(buf: PackedBuffer): GCounterPojo;
    readonly initialPayload: {};
}
declare const GCOUNTER_TYPE: GCounterType;
export default GCOUNTER_TYPE;
/**
 * An element that represents a synchronizable, increment-only counter.
 */
declare class GCounterElement extends LWWRegisterElement<GCounterPojo> {
    get type(): GCounterType;
    valueOf(): any;
    set(x: unknown): boolean;
    synchronize(src: this): void;
}
declare class GCounterSentinal {
    readonly initialCounterValue: number;
    constructor(initialCounterValue: number);
}
/**
 * The way to initialize a new GCounter, is to call this function and add the result to a collection.
 * It will "melt away" immediately, appearing like a normal JavaScript number which can only be increased.
 */
export declare function GCounter(initialCounterValue?: number): number;