import { Benchmark, Opts } from "../types.js";
import { IHistoryProvider } from "../history/provider.js";
declare enum CompareWithType {
    latestCommitInBranch = "latestCommitInBranch",
    exactCommit = "exactCommit"
}
export type CompareWith = {
    type: CompareWithType.latestCommitInBranch;
    branch: string;
    before?: string;
} | {
    type: CompareWithType.exactCommit;
    commitSha: string;
};
export declare function resolveCompare(provider: IHistoryProvider, opts: Opts): Promise<Benchmark | null>;
export declare function resolvePrevBenchmark(compareWith: CompareWith, provider: IHistoryProvider): Promise<Benchmark | null>;
export declare function renderCompareWith(compareWith: CompareWith): string;
export declare function resolveCompareWith(opts: Opts): Promise<CompareWith>;
export {};
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