import { Env, CiProvider } from "./types";
export declare class Circle implements CiProvider {
    private readonly env;
    constructor(env: Env);
    isCurrentlyRunning(): boolean;
    getPullRequestID(): number | undefined;
    getCurrentSha(): string;
    isFork(): boolean;
    getProjectSlug(): string;
    private getPrInfoFromPrList;
    private getPrInfoFromBuildURL;
    private getPullRequests;
    supportsSpeculativeBranchSelection(): boolean;
}