src/models/contractor.ts

export class Contractor {
    id: number;
    roadId: number;
    crossSectionId: number;
    contractorName: string;
    info: string;
    roadSectionNumber: number;
    begin: number;
    end: number;
    length: number;
    rightCoords: string;
    beginScheme: string;
    endScheme: string;
}