import type { SightArtifacts } from './sight-artifacts';
import type { ComparisonArtifacts } from './sight-compare/types';
export type SightSession = {
    sightUrl: string;
    waitForTransfer: () => Promise<void>;
    close: () => Promise<void>;
};
type StartSightSessionOptions = ({
    artifacts: SightArtifacts;
    comparison?: never;
} | {
    artifacts?: never;
    comparison: ComparisonArtifacts;
}) & {
    sightPageUrl: string;
    timeoutMs?: number;
    signal?: AbortSignal;
};
export declare function openSightInBrowser(url: string): Promise<void>;
export declare function startSightSession({ artifacts, comparison, sightPageUrl, timeoutMs, signal, }: StartSightSessionOptions): Promise<SightSession>;
export {};