export interface WsResponse<T = any> {
    event: string;
    data: T;
}
export declare type UnidentifiableModel<T extends {}> = Omit<T, 'id'>;
export type WsResponseResultPayload<T, E> = {
    ok: true;
    err: false;
    val: T;
} | {
    ok: false;
    err: true;
    val: E;
};
export type WsResponseAsResult<T, E> = WsResponse<WsResponseResultPayload<T, E>>;
export type CollectionMapBase = {
    [key: string]: {
        id: string;
    } & object;
};
export type UnknownRecord = Record<string, unknown>;
export type UnknownIdentifiableRecord = {
    id: string;
} & Record<string, unknown>;
export type AnyIdentifiableRecord = {
    id: string;
} & Record<string, any>;
type SessionResourceType = string;
export type SessionClient<Info extends UnknownRecord = {}> = {
    id: string;
    info?: Info;
    subscriptions: Record<`${SessionResourceType}:${SessionResource['id']}`, {
        subscribedAt: number;
    }>;
};
export type SessionResource<TData extends UnknownRecord = {}> = {
    id: string;
    data: TData;
    subscribers: Record<SessionClient['id'], {
        subscribedAt: number;
    }>;
};
export type ClientResource<TResourceType extends string, TData extends UnknownRecord> = {
    type: TResourceType;
    item: {
        id: string;
    } & TData;
};
export type ResourceIdentifier<TResourceType extends string> = {
    resourceType: TResourceType;
    resourceId: SessionResource['id'];
};
export type ResourceIdentifierString<TResourceType extends string> = `${TResourceType}:${SessionResource['id']}`;
export type StringKeys<TRecord extends UnknownRecord> = Extract<keyof TRecord, string>;
export type UnknwownSessionResourceCollectionMap = Record<string, SessionResource<UnknownRecord>>;
export type AnySessionResourceCollectionMap = Record<string, SessionResource<any>>;
export type SessionStoreCollectionMap<ResourcesCollectionMap extends CollectionMapBase> = {
    $clients: SessionClient;
} & ResourcesCollectionMap;
export type OnlySessionCollectionMapOfResourceKeys<ResourceCollectionMap extends CollectionMapBase, SessionCollectionMap = SessionStoreCollectionMap<ResourceCollectionMap>> = StringKeys<Omit<SessionCollectionMap, keyof SessionStoreCollectionMap<{}>>>;
export {};