import { KubeconfigObject } from '../lib/k8s/kubeconfig';
import { ConfigState } from '../redux/configSlice';
import { deleteClusterKubeconfig } from './deleteClusterKubeconfig';
import { findKubeconfigByClusterName } from './findKubeconfigByClusterName';
import { getUserIdFromLocalStorage } from './getUserIdFromLocalStorage';
import { updateStatelessClusterKubeconfig } from './updateStatelessClusterKubeconfig';
/**
 * DatabaseEvent is the event that is fired when the IndexedDB is upgraded.
 * It is used to create the object store. It is also used to get the result of the
 * IndexedDB open request. The result is the IndexedDB database. It is used to create
 * the transaction and the object store. It is also used to get the result of the
 * IndexedDB add request. The result is the key of the added object.
 * @see storeStatelessClusterKubeconfig
 * @see getStatelessClusterKubeConfigs
 * @see findKubeconfigByClusterName
 */
export interface DatabaseEvent extends Event {
    target: IDBOpenDBRequest & {
        result: IDBDatabase;
    };
}
/**
 * DatabaseErrorEvent is the event that is fired when the IndexedDB is upgraded.
 * It is used to get the error of the IndexedDB open request. It is also used to get
 * the error of the IndexedDB add request.
 * @see storeStatelessClusterKubeconfig
 * @see getStatelessClusterKubeConfigs
 * @see findKubeconfigByClusterName
 */
export interface DatabaseErrorEvent extends Event {
    target: IDBOpenDBRequest & {
        error: DOMException | null;
    };
}
/**
 * CursorSuccessEvent is the event that is fired when the IndexedDB is upgraded.
 * It is used to get the result of the IndexedDB open request. The result is the
 * cursor. It is used to iterate through the object store. It is also used to get
 * the result of the IndexedDB add request. The result is the cursor. It is used to
 * iterate through the object store.
 * @see getStatelessClusterKubeConfigs
 * @see findKubeconfigByClusterName
 * */
export interface CursorSuccessEvent extends Event {
    target: EventTarget & {
        result: IDBCursorWithValue | null;
    };
}
/** handleDatabaseUpgrade creates the object store if it doesn't exist.
 * this upgrade is only called when the database is created.
 * It is not called when the database is opened.
 * @param event - The event that is fired when the IndexedDB is upgraded.
 * @see storeStatelessClusterKubeconfig
 * @see getStatelessClusterKubeConfigs
 * @see findKubeconfigByClusterName
 * **/
export declare function handleDatabaseUpgrade(event: DatabaseEvent): void;
/** handleDataBaseError handles errors when opening IndexedDB.
 * @param event - The event that is fired when the IndexedDB is upgraded.
 * @see storeStatelessClusterKubeconfig
 * @see getStatelessClusterKubeConfigs
 * @see findKubeconfigByClusterName
 * */
export declare function handleDataBaseError(event: DatabaseErrorEvent, reject: (reason?: any) => void): void;
/**
 * Store the kubeconfig for a stateless cluster in IndexedDB.
 * @param kubeconfig - The kubeconfig to store.
 * @returns promise that resolves when the kubeconfig is successfully added.
 * @throws Error if IndexedDB is not supported.
 * @throws Error if the kubeconfig is invalid.
 */
export declare function storeStatelessClusterKubeconfig(kubeconfig: string): Promise<void>;
/**
 * Gets stateless cluster kubeconfigs from IndexedDB.
 * @returns A promise that resolves with the kubeconfigs.
 * @throws Error if IndexedDB is not supported.
 * @throws Error if the kubeconfig is invalid.
 */
export declare function getStatelessClusterKubeConfigs(): Promise<string[]>;
/**
 * Finds the kubeconfig and context with the matching cluster name or custom name in headlamp_info.
 * @param clusterID The ID for a cluster, composed of the kubeconfig path and cluster name
 * @param clusterName The name of the cluster to find.
 * @param parsedKubeconfig The parsed kubeconfig object.
 * @returns An object containing the matching kubeconfig and context.
 */
export declare function findMatchingContexts(clusterName: string, parsedKubeconfig: KubeconfigObject, clusterID?: string): {
    matchingKubeconfig: {
        name: string;
        context: {
            cluster: string;
            user: string;
            namespace?: string;
            clusterID?: string;
            source?: string;
            extensions?: Array<{
                name: string;
                extension: {
                    customName?: string;
                };
            }>;
        };
    } | undefined;
    matchingContext: {
        name: string;
        context: {
            cluster: string;
            user: string;
            namespace?: string;
            clusterID?: string;
            source?: string;
            extensions?: Array<{
                name: string;
                extension: {
                    customName?: string;
                };
            }>;
        };
    } | undefined;
};
/**
 * Finds and replaces a kubeconfig by cluster name.
 * @param clusterName - The name of the cluster to find and replace.
 * @param kubeconfig - The base64 encoded kubeconfig to replace the existing one with.
 * @param create - If true, create a new kubeconfig if it doesn't exist. If false, only replace existing kubeconfigs.
 * @returns A promise that resolves when the kubeconfig is successfully replaced.
 * @throws Error if the kubeconfig replacement fails at any step.
 *
 * Note: If deletion of the existing kubeconfig fails, the operation will still proceed
 * to store the new kubeconfig. This ensures the new configuration is applied even if
 * cleanup of the old one encounters issues.
 */
export declare function findAndReplaceKubeconfig(clusterName: string, kubeconfig: string, create?: boolean): Promise<void>;
/**
 * Generates a cryptographically secure random token using the browser's crypto API.
 * @param {number} length - The length of the token.
 * @returns {string} - The generated token.
 */
export declare function generateSecureToken(length?: number): string;
/**
 * Compares the cluster config from the backend and the redux store
 * @param clusters
 * @param clustersToConfig
 * @returns true if the present stored config is different from the fetched one.
 */
export declare function isEqualClusterConfigs(currentConfig: ConfigState['clusters'], newConfig: ConfigState['clusters']): boolean;
/**
 * Parses the cluster config from the backend and updates the redux store
 * if the present stored config is different from the fetched one.
 */
export declare function fetchStatelessClusterKubeConfigs(dispatch: any): Promise<void>;
declare const exportFunctions: {
    storeStatelessClusterKubeconfig: typeof storeStatelessClusterKubeconfig;
    getStatelessClusterKubeConfigs: typeof getStatelessClusterKubeConfigs;
    findKubeconfigByClusterName: typeof findKubeconfigByClusterName;
    getUserIdFromLocalStorage: typeof getUserIdFromLocalStorage;
    isEqualClusterConfigs: typeof isEqualClusterConfigs;
    fetchStatelessClusterKubeConfigs: typeof fetchStatelessClusterKubeConfigs;
    deleteClusterKubeconfig: typeof deleteClusterKubeconfig;
    updateStatelessClusterKubeconfig: typeof updateStatelessClusterKubeconfig;
    processClusterComparison: typeof isEqualClusterConfigs;
};
export default exportFunctions;