import { AllPackages, PackageId } from "./packages";
export interface PreparePackagesResult {
    readonly packageNames: Set<string>;
    readonly dependents: Set<string>;
    readonly attwChanges: Set<string>;
}
/** Gets all packages that have changed on this branch, plus all packages affected by the change. */
export declare function getAffectedPackages(allPackages: AllPackages, git: {
    deletions: PackageId[];
    additions: PackageId[];
    attwChanges: PackageId[];
}, definitelyTypedPath: string, diffBase: string): Promise<PreparePackagesResult>;
/** This function is exported for testing, since it's determined entirely by its inputs. */
export declare function getAffectedPackagesWorker(allPackages: AllPackages, changedOutput: string, additions: string[], attwChangedPackages: PackageId[], dependentOutputs: string[], definitelyTypedPath: string): Promise<PreparePackagesResult>;