/**
 * Interface to Apalache
 *
 * This functionality is enabled by managing and interacting with the Apalache
 * server.
 *
 * @author Shon Feder, Informal Systems, 2024
 * @author Igor Konnov, konnov.phd, 2024
 *
 * @module
 */
import { Either } from '@sweet-monads/either';
import { ErrorMessage } from './ErrorMessage';
import { ItfTrace } from './itf';
/**
 * A server endpoint for establishing a connection with the Apalache server.
 */
export interface ServerEndpoint {
    hostname: string;
    port: number;
}
/**
 * Parse an endpoint URL in the format hostname:port
 * @param input the string to parse
 * @returns either `left(error)`, or `right(ServerEndpoint)`
 */
export declare function parseServerEndpoint(input: string): Either<string, ServerEndpoint>;
export declare function createConfig(loadedConfig: any, parsedSpec: string, args: any, inv?: string[], init?: string, next?: string): ApalacheConfig;
/**
 * Convert an endpoint to a GRPC connection string.
 * @param endpoint an endpoint
 * @returns the connection string expected by the Apalache server API
 */
export declare function serverEndpointToConnectionString(endpoint: ServerEndpoint): string;
export declare const DEFAULT_APALACHE_VERSION_TAG = "0.56.1";
type ApalacheError = {
    explanation: string;
    errors: ErrorMessage[];
    traces?: ItfTrace[];
};
export type ApalacheResult<T> = Either<ApalacheError, T>;
export type ApalacheConfig = any;
type Apalache = {
    check: (c: ApalacheConfig) => Promise<ApalacheResult<void>>;
    tla: (c: ApalacheConfig) => Promise<ApalacheResult<string>>;
};
/**
 * Fetch the latest Apalache release pinned by `APALACHE_VERSION_TAG` from Github.
 *
 * @returns A promise resolving to:
 *    - a `right<string>` equal to the path the Apalache dist was unpacked to,
 *    - a `left<ApalacheError>` indicating an error.
 */
export declare function fetchApalache(apalacheVersion: string, verbosityLevel: number): Promise<ApalacheResult<string>>;
/**
 * Connect to an already running Apalache server, or – if unsuccessful – fetch
 * Apalache, spawn it, and connect to it.
 *
 * If an Apalache server is spawned, the child process exits when the parent process (i.e., this process) terminates.
 *
 * @param serverEndpoint
 *   a server endpoint
 *
 * @returns A promise resolving to:
 *    - a `right<Apalache>` equal to the path the Apalache dist was unpacked to,
 *    - a `left<ApalacheError>` indicating an error.
 */
export declare function connect(serverEndpoint: ServerEndpoint, apalacheVersion: string, verbosityLevel: number): Promise<ApalacheResult<Apalache>>;
export {};