import { State, HeadState } from './interface.js';
import { Links, LinkVariables } from '../link.js';
import Client from '../client.js';
import { Action, ActionInfo } from '../action.js';
import { Resource } from '../resource.js';
import { StateSerializedBody } from '#state-serialized-body';
type HeadStateInit = {
    client: Client;
    uri: string;
    links: Links;
    /**
     * The full list of HTTP headers that were sent with the response.
     */
    headers: Headers;
};
type StateInit<T> = {
    client: Client;
    uri: string;
    data: T;
    headers: Headers;
    links: Links;
    embedded?: State[];
    actions?: ActionInfo[];
};
/**
 * Implements a State object for HEAD responses
 */
export declare class BaseHeadState implements HeadState {
    uri: string;
    /**
     * Timestamp of when the State was first generated
     */
    timestamp: number;
    /**
     * The full list of HTTP headers that were sent with the response.
     */
    headers: Headers;
    /**
     * All links associated with the resource.
     */
    links: Links;
    /**
     * Reference to main client that created this state
     */
    client: Client;
    constructor(init: HeadStateInit);
    /**
     * Follows a relationship, based on its reltype. For example, this might be
     * 'alternate', 'item', 'edit' or a custom url-based one.
     *
     * This function can also follow templated uris. You can specify uri
     * variables in the optional variables argument.
     */
    follow<TFollowedResource = any>(rel: string, variables?: LinkVariables): Resource<TFollowedResource>;
    /**
     * Follows a relationship based on its reltype. This function returns a
     * Promise that resolves to an array of Resource objects.
     *
     * If no resources were found, the array will be empty.
     */
    followAll<TFollowedResource = any>(rel: string): Resource<TFollowedResource>[];
    /**
     * Content-headers are a subset of HTTP headers that related directly
     * to the content. The obvious ones are Content-Type.
     *
     * This set of headers will be sent by the server along with a GET
     * response, but will also be sent back to the server in a PUT
     * request.
     */
    contentHeaders(): Headers;
}
/**
 * The Base State provides a convenient way to implement a new State type.
 */
export declare class BaseState<T> extends BaseHeadState implements State<T> {
    data: T;
    protected embedded: State[];
    protected actionInfo: ActionInfo[];
    constructor(init: StateInit<T>);
    /**
     * Return an action by name.
     *
     * If no name is given, the first action is returned. This is useful for
     * formats that only supply 1 action, and no name.
     */
    action<TFormData extends Record<string, any> = any>(name?: string): Action<TFormData>;
    findAction<TFormData extends Record<string, any> = any>(name?: string): Action<TFormData> | undefined;
    private doFindAction;
    /**
     * Returns all actions
     */
    actions(): Action[];
    /**
     * Checks if the specified action exists.
     *
     * If no name is given, checks if _any_ action exists.
     */
    hasAction(name?: string): boolean;
    /**
     * Returns a serialization of the state that can be used in a HTTP
     * response.
     *
     * For example, a JSON object might simply serialize using
     * JSON.serialize().
     */
    serializeBody(): StateSerializedBody;
    /**
     * Certain formats can embed other resources, identified by their
     * own URI.
     *
     * When a format has embedded resources, we will use these to warm
     * the cache.
     *
     * This method returns every embedded resource.
     */
    getEmbedded(): State[];
    clone(): State<T>;
}
export {};