import type { JSX } from 'react';
/** Initial load, before the first source resolves. */
export declare function Loading({ label }: {
    label?: string;
}): JSX.Element;
/** Resolved, but nothing to show. */
export declare function Empty({ label }: {
    label?: string;
}): JSX.Element;
/** A non-blocking-or-blocking failure — renders a SourceError.display verbatim. */
export declare function ErrorState({ headline, explanation, nextStep, onRetry }: {
    headline: string;
    explanation?: string;
    nextStep?: string;
    onRetry?: () => void;
}): JSX.Element;
/** A precondition isn't met (e.g. not a repo / unauthed) — same shape as
 *  ErrorState but named for the "not ready to run here" case. */
export declare function NotReady({ headline, explanation, nextStep, onRetry }: {
    headline?: string;
    explanation?: string;
    nextStep?: string;
    onRetry?: () => void;
}): JSX.Element;