export declare function namedProjection(projection: string): {
    type: ({ width, height, rotate, precision, clip }: {
        width: any;
        height: any;
        rotate: any;
        precision?: number | undefined;
        clip: any;
    }) => any;
    aspectRatio: number;
} | {
    type: () => {
        stream: (stream: any) => any;
    };
} | {
    type: () => {
        invert(x: any, y: any): any[];
        stream(s: import("d3-geo").GeoStream): import("d3-geo").GeoTransformPrototype & import("d3-geo").GeoStream;
    };
};