export declare type ProgressUpdate = {
    type: 'CodeChanged';
} | {
    type: 'ResolveNewImports';
} | {
    type: 'LookedUpTypeFile';
    path: string;
    success: boolean;
} | {
    type: 'AttemptedLookUpFile';
    path: string;
    success: boolean;
} | {
    type: 'LookedUpPackage';
    package: string;
    definitelyTyped: boolean;
    success: boolean;
} | {
    type: 'LoadedFromCache';
    importPath: string;
} | {
    type: 'StoredToCache';
    importPath: string;
};