proj4/dist/lib/datum.d.ts

Proj4js is a JavaScript library to transform point coordinates from one coordinate system to another, including datum transformations.

export default datum;
declare function datum(datumCode: any, datum_params: any, a: any, b: any, es: any, ep2: any, nadgrids: any): {
    datum_type: number;
    datum_params: any;
    grids: any;
    a: any;
    b: any;
    es: any;
    ep2: any;
};