import { GraphQLSchema, IntrospectionQuery } from 'graphql';
import { DebouncedFunc } from 'lodash';
import { LaboratoryEnv, LaboratoryEnvActions, LaboratoryEnvState } from './env';
import { LaboratoryOperationsActions, LaboratoryOperationsState } from './operations';
import { LaboratoryPluginsActions, LaboratoryPluginsState } from './plugins';
import { LaboratoryPreflightActions, LaboratoryPreflightState } from './preflight';
import { LaboratorySettingsActions, LaboratorySettingsState } from './settings';
export interface LaboratoryEndpointState {
    endpoint: string | null;
    schema: GraphQLSchema | null;
    introspection: IntrospectionQuery | null;
    defaultEndpoint: string | null;
    canIntrospect: boolean;
    shouldPollSchema: boolean;
    isFetchingSchema: boolean;
}
export type FetchSchemaOptions = {
    env?: LaboratoryEnv;
    pluginsState?: Record<string, any>;
    /** Introspect over the network even when a default introspection is available. */
    force?: boolean;
};
export type FetchSchema = DebouncedFunc<(signal?: AbortSignal, options?: FetchSchemaOptions) => Promise<void>>;
export interface LaboratoryEndpointActions {
    setEndpoint: (endpoint: string) => void;
    fetchSchema: FetchSchema;
    reloadSchema: () => void;
    restoreDefaultEndpoint: () => void;
}
export declare const EXPECTED_ERROR_REASON = "Expected error reason";
export declare const useEndpoint: (props: {
    defaultEndpoint?: string | null;
    onEndpointChange?: (endpoint: string | null) => void;
    defaultSchemaIntrospection?: IntrospectionQuery | null;
    enableDocs?: boolean;
    settingsApi?: LaboratorySettingsState & LaboratorySettingsActions;
    operationsApi?: LaboratoryOperationsState & LaboratoryOperationsActions;
    envApi?: LaboratoryEnvState & LaboratoryEnvActions;
    pluginsApi?: LaboratoryPluginsState & LaboratoryPluginsActions;
    preflightApi?: LaboratoryPreflightState & LaboratoryPreflightActions;
}) => LaboratoryEndpointState & LaboratoryEndpointActions;