import * as ts from "typescript";
import { Compiler } from "./compiler";
import { Expect } from "./expect";
export declare class Snippet {
    private _files;
    private _compiler;
    private _program;
    assertFail: (message: string) => void;
    assertPass: () => void;
    constructor(_files: {
        [fileName: string]: string;
    }, _compiler: Compiler);
    expect(fileName: string): Expect;
    fail(fileName: string, expectedMessage?: RegExp): void;
    infer(fileName: string, variableName: string, expectedType: string): void;
    succeed(fileName: string): void;
    private _getDiagnostics;
}
export declare function areEquivalentTypeStrings(a: string, b: string): boolean;
export declare function getVariables(program: ts.Program, sourceFile: ts.SourceFile): {
    [variableName: string]: string;
};
export declare function snippet(files: {
    [fileName: string]: string;
}, compiler?: Compiler): Snippet;