import { workspaces } from "@angular-devkit/core";
import { Rule, SchematicContext } from "@angular-devkit/schematics";
import { Tree } from "@angular-devkit/schematics/src/tree/interface";
import { Observable } from "rxjs";
import { Schema } from "../lib/schema";
import { Schema as CreateSchematicsSchema } from "../lib/create-schematics/schema";
export declare function isFunction(val: any): boolean;
export declare function isPromise(v: any): any;
export declare function observify<T>(asyncOrValue: any | T): Observable<T>;
export declare function toTree(ruleOrTree: Rule | any, tree: Tree, context: SchematicContext): Tree;
export declare function createHost(tree: Tree): workspaces.WorkspaceHost;
export declare function getLibPath(scopeWithName: string, isNx: boolean): string;
export declare function splitScopeFromName(options: Schema | CreateSchematicsSchema): Schema | CreateSchematicsSchema;