/** An exact excerpt; matching never rewrites the text or its UTF-16 positions. */
export interface EvidencePassage {
    hit: number;
    start: number;
    end: number;
    next: number;
}
/** Exact substring or token matching, without caller-selected regex operators. */
export declare function passageMatcher(query: string | readonly string[], caseSensitive: boolean, matchMode?: 'literal' | 'token'): (text: string, from: number) => EvidencePassage | undefined;
/** Overlap bytes support boundary matches; starts in those bytes belong to the next window. */
export declare function passagesInWindow(text: string, from: number, match: ReturnType<typeof passageMatcher>, limit: number, ownedBytes?: number): {
    passages: EvidencePassage[];
    next: number;
};
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