import { Observable } from 'kefir';
import { ActionType } from 'typesafe-actions';
import { Delta } from 'brookjs-types';
export declare type Ext = 'ts' | 'js';
export declare const setupTestsPath: (cwd: string, dir: string, ext: Ext) => string;
export declare const extension$: (cwd: string) => Observable<Ext, never>;
export declare const setupTestsConfig$: (cwd: string, dir: string, ext: Ext) => Observable<string[], never>;
export declare const actions: {
    extension: {
        request: import("typesafe-actions").PayloadActionCreator<"PROJECT_EXTENSION_REQUESTED", void>;
        success: import("typesafe-actions").PayloadActionCreator<"PROJECT_EXTENSION_SUCCEEDED", Ext>;
        failure: import("typesafe-actions").PayloadMetaActionCreator<"PROJECT_EXTENSION_FAILED", unknown, unknown>;
    };
};
export declare type Action = ActionType<typeof actions>;
export declare type State = {
    cwd: string;
};
export declare const delta: Delta<Action, State>;