import * as XLSX from 'xlsx';
interface FilterResult {
    [key: string]: any;
}
interface GraphEntry {
    Name: string;
    Type: string;
    Min?: number;
    Max?: number;
    Unit?: string;
    Interval?: number;
    Style?: string;
    Yndex?: number;
}
interface GroupedGraphData {
    [groupName: string]: {
        entries: GraphEntry[];
    };
}
/**
 * Filters rows where the "Ecran" column contains a given value using the second row as the header.
 *
 * @param worksheet - The worksheet to process.
 * @param filterValue - The value to filter in the "Ecran" column.
 * @param takeAll
 * @returns The filtered rows as an array of objects.
 */
export declare function filterByScreenWithHeader2(worksheet: XLSX.WorkSheet, filterValue: string, takeAll?: boolean): FilterResult[];
export declare function transformGraphSheetToJson(worksheet: XLSX.WorkSheet): GroupedGraphData;
export {};