import { Tree } from '@angular-devkit/schematics';
import { SourceFile } from 'typescript';
export declare function getAllTypescriptFiles(tree: Tree, options?: GetAllTypescriptFilesOptions): IterableIterator<[string, SourceFile]>;
/** @visibleForTesting **/
export type GetAllTypescriptFilesOptions = Partial<{
    contentFilter: (content: string) => boolean;
}>;