type MigrationUpdate = {
    /**
     * The path of the file which was updated.
     */
    path: string;
    /**
     * The original import statement.
     */
    oldImport: string;
    /**
     * The updated import statement.
     */
    updatedImport: string;
};
export interface UpdateLangChainFields {
    /**
     * The path to the project to check.
     * TypeScript files will be extracted
     * via this glob pattern: `${projectPath}/{star}{star}/{star}.{ts,tsx,js,jsx}`.
     * @optional - Not required if `files`, or 'tsConfigPath' is provided.
     */
    projectPath?: string;
    /**
     * A list of .ts file paths to check.
     * @optional - Not required if `projectPath`, or 'tsConfigPath' is provided.
     */
    files?: string[];
    /**
     * Path to the tsConfig file. This will be used to load
     * all the project files into the script.
     * @optional - Not required if `projectPath`, or 'files' is provided.
     */
    tsConfigPath?: string;
    /**
     * Whether or not to log a message when an import is updated.
     * @default false
     */
    shouldLog?: boolean;
    /**
     * Whether or not the invocation is a test run.
     * If `testRun` is set to true, the script will NOT save changes.
     * @default false
     */
    testRun?: boolean;
}
/**
 * Migrates a project's LangChain imports from version 0.0.x or 0.1.x to 0.2.x.
 * This function updates the import statements in the specified project files
 * based on the provided import map.
 *
 * @param {UpdateLangChainFields} fields - The configuration object for the migration.
 * @param {string} [fields.projectPath] - The path to the project to check. TypeScript files will be extracted
 *   via this glob pattern: `${projectPath}/{star-star}/{star}.{ts,tsx,js,jsx}`. Not required if `files` or `tsConfigPath` is provided.
 * @param {string[]} [fields.files] - A list of .ts file paths to check. Not required if `projectPath` or `tsConfigPath` is provided.
 * @param {string} [fields.tsConfigPath] - Path to the tsConfig file. This will be used to load
 *   all the project files into the script. Not required if `projectPath` or `files` is provided.
 * @param {boolean} [fields.shouldLog=false] - Whether or not to log a message when an import is updated.
 * @returns {Promise<Array<MigrationUpdate> | null>} - A promise that resolves to an array of migration updates if successful, or null if an error occurs.
 * @throws {Error} - If more than one of `projectPath`, `tsConfigPath`, or `files` is provided, or if none of them are provided.
 *
 * @example
 * ```typescript
 * import { updateEntrypointsFrom0_x_xTo0_2_x } from "@langchain/scripts/migrations";
 *
 * const pathToMyProject = "...";
 *
 * updateEntrypointsFrom0_x_xTo0_2_x({
 *   projectPath: pathToMyProject,
 *   shouldLog: true,
 * });
 * ```
 */
export declare function updateEntrypointsFrom0_x_xTo0_2_x(fields: UpdateLangChainFields): Promise<Array<MigrationUpdate> | null>;
export {};