import { Tree } from '@nrwl/devkit';
import { AnyOpts } from '../modify';
import { Node } from 'typescript';
export interface ClassDecoratorInsertOptions {
    classId: string;
    indexAdj?: number;
    code: string;
}
export interface ApiClassDecoratorInsertOptions {
    classId?: string;
    indexAdj?: number;
    code: string;
}
export interface ClassDecoratorInsertTreeOptions extends ClassDecoratorInsertOptions {
    projectRoot: string;
    relTargetFilePath: string;
}
export declare const insertBeforeClassDecl: (opts: AnyOpts) => (node: Node) => string | undefined;
export declare function insertClassDecoratorInSource(source: string, opts: ClassDecoratorInsertOptions): string | undefined;
export declare function insertClassDecoratorInFile(filePath: string, opts: ClassDecoratorInsertOptions): string | undefined;
export declare function insertClassDecoratorInTree(tree: Tree, opts: ClassDecoratorInsertTreeOptions): Promise<string | undefined>;