import { Extension } from 'sourcegraph/module/client/extension';
import { ErrorLike } from '../errors';
import { ExtensionManifest } from '../schema/extension.schema';
import * as GQL from '../schema/graphqlschema';
import { Settings } from '../settings';
/**
 * Describes a configured extension.
 *
 * @template S the configuration subject type
 * @template C the type of the extension's settings (overlaid on the base settings JSON Schema-derived type)
 * @template RX the registry extension type
 */
export interface ConfiguredExtension<RX extends Pick<GQL.IRegistryExtension, 'id' | 'url' | 'viewerCanAdminister'> = Pick<GQL.IRegistryExtension, 'id' | 'url' | 'viewerCanAdminister'>> extends Extension {
    /** The parsed extension manifest, null if there is none, or a parse error. */
    manifest: ExtensionManifest | null | ErrorLike;
    /** The raw extension manifest (JSON), or null if there is none. */
    rawManifest: string | null;
    /** The corresponding extension on the registry, if any. */
    registryExtension?: RX;
}
/** Reports whether the given extension is enabled in the settings. */
export declare function isExtensionEnabled(settings: Settings | ErrorLike | null, extensionID: string): boolean;
/** Reports whether the given extension is mentioned (enabled or disabled) in the settings. */
export declare function isExtensionAdded(settings: Settings | ErrorLike | null, extensionID: string): boolean;
/**
 * Shows a modal confirmation prompt to the user confirming whether to add an extension.
 */
export declare function confirmAddExtension(extensionID: string, extensionManifest?: ConfiguredExtension['manifest']): boolean;