import { PassageReference, BookNamesArg } from './passage.js';
export interface PassageReferenceMatch {
    ref: PassageReference;
    text: string;
    index: number;
    index_from_prev_match: number;
    whole: boolean;
}
export declare function detect_references(text: string, book_names?: BookNamesArg, exclude_book_names?: string[], min_chars?: number, match_from_start?: boolean): Generator<PassageReferenceMatch, null, undefined>;