import { GuidAccepted, IGuidImmutable } from "@ef-carbon/primitive";
import { IFormationMetaImmutable } from "./IMeta";
import { ICacheMutable } from "../ICache";
import { IContextImmutable } from "../IContext";
import { IDiscourseImmutable } from "../IDiscourse";
import { ILinkImmutable } from "../ILink";
import { ILinkProcessOptions } from "../link/process";
export interface IFormationWalkerOptions<Data> extends ILinkProcessOptions {
    cache: ICacheMutable<Data>;
    id: GuidAccepted;
}
export interface IFormationWalkerData<Data> {
    id: IGuidImmutable;
    discourse: IDiscourseImmutable<Data>;
    context: IContextImmutable;
}
export declare class FormationWalker<Data> implements AsyncIterableIterator<IFormationWalkerData<Data>> {
    cache: ICacheMutable<Data>;
    options: ILinkProcessOptions;
    readonly start: IGuidImmutable;
    private formation;
    private redirection;
    constructor({ cache, id, ...rest }: IFormationWalkerOptions<Data>);
    next(context?: IContextImmutable | [GuidAccepted, IContextImmutable]): Promise<IteratorResult<IFormationWalkerData<Data>>>;
    readonly id: IGuidImmutable;
    readonly discourse: IDiscourseImmutable<Data> | undefined;
    readonly link: ILinkImmutable | undefined;
    readonly redirect: IGuidImmutable | undefined;
    readonly tags: ReadonlyArray<string>;
    readonly meta: IFormationMetaImmutable;
    readonly features: ReadonlySet<string>;
    return(): Promise<IteratorResult<IFormationWalkerData<Data>>>;
    [Symbol.asyncIterator](): AsyncIterableIterator<IFormationWalkerData<Data>>;
    throw(error: Error): Promise<IteratorResult<IFormationWalkerData<Data>>>;
}
export { FormationWalker as Walker, IFormationWalkerOptions as IOptions, IFormationWalkerData as IData };
export default FormationWalker;