interface Recognition {
    frameId: number;
    recognitions: string;
    lat: number;
    lng: number;
    processTime: number;
    receivedTime: number;
}
interface DetectedSign {
    id: number;
    label: string;
    lat: number;
    lng: number;
    serialized: string;
}
export declare function multiply(a: number, b: number): Promise<number>;
export declare function detectSign(data: Recognition[], imgWidth: number): Promise<DetectedSign[]>;
export {};