import type { ApolloCache, InMemoryCacheConfig } from '@apollo/client';
/**
 * Connection state for GraphQL client.
 */
export declare enum GraphQLConnectionState {
    /** Client is attempting to establish a connection. */
    Connecting = "Connecting",
    /** Client has successfully connected. */
    Connected = "Connected",
    /** Client is attempting to reconnect after a disconnection. */
    Reconnecting = "Reconnecting",
    /** Client has disconnected. */
    Disconnected = "Disconnected",
    /** A connection error has occurred. */
    Error = "Error"
}
/**
 * Configuration options for creating a GraphQL client.
 */
export interface IGraphQLClientOptions {
    /** Client identifier/name. Forwarded to Apollo Client's devtools.name for identification in Apollo DevTools. */
    name: string;
    /** HTTP endpoint URI for the GraphQL server. */
    httpUri: string;
    /** WebSocket endpoint URI for subscriptions. Requires WSS (wss://) in production; ws:// permitted for localhost only. */
    wsUri: string;
    /** Authentication token as a static string or async provider function. Token is sent in Authorization header for HTTP and in connection params for subscriptions. */
    token?: string | (() => string | Promise<string>);
    /** Log GraphQL errors to console. */
    logGraphQLErrors?: boolean;
    /** Log network errors to console. */
    logNetworkErrors?: boolean;
    /** Apollo cache instance to use. If not provided, a new InMemoryCache is created. */
    cache?: ApolloCache | undefined;
    /** Configuration options for the Apollo InMemoryCache. */
    cacheOptions?: InMemoryCacheConfig;
    /** Enable request batching for GraphQL queries. Defaults to false. */
    batchRequests?: boolean;
    /** @deprecated Not yet implemented. Cache persistence will be added in a future release. */
    persistCache?: boolean;
}
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