import { AfterRecipeText, SourceSpec } from "../test";
import { JS } from "./tree";
import ts from 'typescript';
import { Json } from "../json";
/**
 * Shared TypeScript source file cache for test parsers.
 * Automatically configured for template parsing in tests.
 */
export declare const sourceFileCache: Map<string, ts.SourceFile>;
export declare function npm(relativeTo: string, ...sourceSpecs: SourceSpec<any>[]): AsyncGenerator<SourceSpec<any>, void, unknown>;
export declare function packageJson(before: string, after?: AfterRecipeText): SourceSpec<Json.Document>;
export declare function packageLockJson(before: string, after?: AfterRecipeText): SourceSpec<Json.Document>;
export declare function javascript(before: string | null, after?: AfterRecipeText): SourceSpec<JS.CompilationUnit>;
export declare function typescript(before: string | null, after?: AfterRecipeText): SourceSpec<JS.CompilationUnit>;
export declare function tsx(before: string | null, after?: AfterRecipeText): SourceSpec<JS.CompilationUnit>;
export declare function jsx(before: string | null, after?: AfterRecipeText): SourceSpec<JS.CompilationUnit>;
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