import { ServerConnection } from '../serverconnection';
import { IKernelSpecAPIClient } from './kernelspec';
import { PartialJSONObject } from '@lumino/coreutils';
/**
 * Fetch all of the kernel specs.
 *
 * @param settings - The optional server settings.
 *
 * @returns A promise that resolves with the kernel specs.
 *
 * #### Notes
 * Uses the [Jupyter Server API](https://petstore.swagger.io/?url=https://raw.githubusercontent.com/jupyter-server/jupyter_server/main/jupyter_server/services/api/api.yaml#!/kernelspecs).
 */
export declare function getSpecs(settings?: ServerConnection.ISettings): Promise<ISpecModels>;
/**
 * The Kernel Spec API client.
 *
 * #### Notes
 * Use this class to interact with the Jupyter Server Kernel Spec API.
 * This class adheres to the Jupyter Server API endpoints.
 */
export declare class KernelSpecAPIClient implements IKernelSpecAPIClient {
    /**
     * Create a new Kernel Spec API client.
     *
     * @param options - The options used to create the client.
     */
    constructor(options?: {
        serverSettings?: ServerConnection.ISettings;
    });
    /**
     * The server settings for the client.
     */
    readonly serverSettings: ServerConnection.ISettings;
    /**
     * Fetch all of the kernel specs.
     *
     * @returns A promise that resolves with the kernel specs.
     *
     * #### Notes
     * Uses the [Jupyter Server API](https://petstore.swagger.io/?url=https://raw.githubusercontent.com/jupyter-server/jupyter_server/main/jupyter_server/services/api/api.yaml#!/kernelspecs).
     */
    get(): Promise<ISpecModels>;
}
/**
 * Kernel Spec interface.
 *
 * #### Notes
 * See [Kernel specs](https://jupyter-client.readthedocs.io/en/latest/kernels.html#kernelspecs).
 */
export interface ISpecModel extends PartialJSONObject {
    /**
     * The name of the kernel spec.
     */
    readonly name: string;
    /**
     * The name of the language of the kernel.
     */
    readonly language: string;
    /**
     * A list of command line arguments used to start the kernel.
     */
    readonly argv: string[];
    /**
     * The kernel’s name as it should be displayed in the UI.
     */
    readonly display_name: string;
    /**
     * A dictionary of environment variables to set for the kernel.
     */
    readonly env?: PartialJSONObject;
    /**
     * A mapping of resource file name to download path.
     */
    readonly resources: {
        [key: string]: string;
    };
    /**
     * A dictionary of additional attributes about this kernel; used by clients to aid in kernel selection.
     */
    readonly metadata?: PartialJSONObject;
}
/**
 * The available kernelSpec models.
 *
 * #### Notes
 * See the [Jupyter Server API](https://petstore.swagger.io/?url=https://raw.githubusercontent.com/jupyter-server/jupyter_server/main/jupyter_server/services/api/api.yaml#!/kernelspecs).
 */
export interface ISpecModels extends PartialJSONObject {
    /**
     * The name of the default kernel spec.
     */
    default: string;
    /**
     * A mapping of kernel spec name to spec.
     */
    readonly kernelspecs: {
        [key: string]: ISpecModel | undefined;
    };
}