import type { ExtractionSourceSpan } from "./source-span.js";
export declare function parseFrenchNumber(text: string | null | undefined): number | null;
export declare function parseFrenchDate(text: string | null | undefined): {
    day: number | null;
    month: string | null;
    year: number | null;
} | null;
/**
 * Same reading as `parseFrenchDate`, plus the position of the written-out date in `text`: from the
 * first day word to the last year word actually read, the regex capture being wider (heading words
 * before the day, following lines after the year).
 */
export declare function locateFrenchDate(text: string | null | undefined): {
    day: number;
    month: string;
    year: number;
    source_span: ExtractionSourceSpan;
} | null;
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