import { Logger } from "@definitelytyped/utils";
import { PreparePackagesResult } from "./get-affected-packages";
import { AllPackages, NotNeededPackage, PackageId } from "./packages";
export type GitDiff = {
    status: "A" | "D" | "M";
    file: string;
} | {
    status: "R";
    file: string;
    source: string;
};
export declare function gitDiff(log: Logger, definitelyTypedPath: string, diffBase: string): Promise<GitDiff[]>;
/**
 * @returns packages with added or removed files, but not packages with only changed files;
 * {@link getAffectedPackages | those are found by calling pnpm }.
 */
export declare function gitChanges(diffs: GitDiff[], getAttwJson: () => Promise<{
    base: {
        failingPackages: string[];
    };
    head: {
        failingPackages: string[];
    };
}>): Promise<{
    errors: string[];
} | {
    deletions: PackageId[];
    additions: PackageId[];
    attwChanges: PackageId[];
}>;
export declare function getAffectedPackagesFromDiff(allPackages: AllPackages, definitelyTypedPath: string, diffBase: string): Promise<string[] | PreparePackagesResult>;
/**
 * 1. libraryName must exist on npm (SKIPPED and preferably/optionally have been the libraryName in just-deleted header)
 * 2. asOfVersion must be newer than `@types/name@latest` on npm
 * 3. `name@asOfVersion` must exist on npm
 */
export declare function checkNotNeededPackage(unneeded: NotNeededPackage): Promise<string[]>;
/**
 * 1. Find all the deleted files and group by package (error on deleted files outside a package).
 * 2. Make sure that all deleted packages in notNeededPackages have no files left.
 */
export declare function getNotNeededPackages(allPackages: AllPackages, deletions: PackageId[]): Promise<{
    errors: string[];
} | NotNeededPackage[]>;