/** Validate a hit against its exact source offset; never format a stale event as the match. */
export declare function matchAtOffset(text: string, query: string, offset: number): number;
/** Search hit excerpts are authoritative until the exact retained event has been revalidated. */
export declare function selectedFormattedMessage(preview: {
    status: "available";
    text: string;
} | {
    status: "unavailable";
}, match: {
    messageMatchOffset: number;
}, query: string): string | null;
/** Non-mutating browser highlight so ReactMarkdown keeps its own text and table DOM. */
export declare function SearchMarkdown({ text, query, snippet, offset, }: {
    text: string;
    query: string;
    snippet: string;
    offset?: number | undefined;
}): import("react").JSX.Element;