import { PackageBenchmarkSummary } from "../common";
type BeforeAndAfter = [PackageBenchmarkSummary, PackageBenchmarkSummary];
export declare enum OverallChange {
    Same = 0,
    Worse = 1,
    Better = 2,
    Mixed = 3
}
export declare function getOverallChangeForSingleComparison(before: PackageBenchmarkSummary, after: PackageBenchmarkSummary): OverallChange;
export declare function getOverallChangeForComparisons(comparisons: BeforeAndAfter[]): OverallChange | undefined;
export {};