public class DesignCriteria
{
    public ProjectInformation ProjectInformation { get; set; }
    public MaterialProperties MaterialProperties { get; set; }
    public LoadCombinations LoadCombinations { get; set; }
    public Settings Settings { get; set; }
}

var info = design.DesignCriteria.ProjectInformation;

// Read values
string projectName = info.ProjectName;
string clientName = info.ClientName;
string designerName = info.DesignerName;
DateTime date = info.Date;

// Modify values
info.ProjectName = "Bridge Beam A1";
info.ClientName = "ACME Construction";
info.DesignerName = "Jane Doe";
info.Date = DateTime.Now;

var materials = design.DesignCriteria.MaterialProperties;

// Access concrete properties
var concrete = materials.Concrete;

// Access reinforcement properties
var prestressSteel = materials.PrestressSteel;
var mildSteel = materials.MildSteel;

var design = await client.PullBeamDesignerAsync();
var materials = design.DesignCriteria.MaterialProperties;

// Set concrete properties
materials.Concrete.fc = 6000;      // 6000 psi
materials.Concrete.fci = 4500;     // 4500 psi initial
materials.Concrete.UnitWeight = 150;  // 150 pcf

await client.PushBeamDesignerAsync("", design);

var loadCombos = design.DesignCriteria.LoadCombinations;

// Access combination list
var combinations = loadCombos.Combinations;

foreach (var combo in combinations)
{
    Console.WriteLine($"{combo.Name}: {combo.Description}");
}

var settings = design.DesignCriteria.Settings;

// Access different setting categories
var transferSettings = settings.Transfer;
var flexureSettings = settings.Flexure;
var shearSettings = settings.Shear;
var deflectionSettings = settings.Deflection;
var developmentSettings = settings.Development;

using System;
using System.Threading.Tasks;
using ErikssonBeam.API.BeamClient;
using ErikssonBeam.API.BeamDesigner;

class DesignCriteriaExample
{
    static async Task ConfigureDesignCriteria(ErikssonBeamClient client)
    {
        var design = await client.PullBeamDesignerAsync();
        var criteria = design.DesignCriteria;

        // Project Information
        criteria.ProjectInformation.ProjectName = "Highway Bridge Beam";
        criteria.ProjectInformation.ClientName = "State DOT";
        criteria.ProjectInformation.DesignerName = "J. Smith, P.E.";
        criteria.ProjectInformation.Date = DateTime.Now;

        // Materials
        var materials = criteria.MaterialProperties;
        materials.Concrete.fc = 8000;      // High-strength concrete
        materials.Concrete.fci = 6000;
        materials.Concrete.UnitWeight = 150;

        // Design Settings
        var settings = criteria.Settings;
        settings.Flexure.PhiFlexure = 0.9;
        settings.Shear.PhiShear = 0.75;

        // Deflection criteria
        settings.Deflection.LongTermFactor = 2.0;

        await client.PushBeamDesignerAsync("", design);

        Console.WriteLine("Design criteria configured successfully");
    }

    static async Task DisplayCriteria(ErikssonBeamClient client)
    {
        var design = await client.PullBeamDesignerAsync();
        var criteria = design.DesignCriteria;

        Console.WriteLine("=== Design Criteria ===\n");

        // Project Info
        var info = criteria.ProjectInformation;
        Console.WriteLine("Project Information:");
        Console.WriteLine($"  Project: {info.ProjectName}");
        Console.WriteLine($"  Client: {info.ClientName}");
        Console.WriteLine($"  Designer: {info.DesignerName}");
        Console.WriteLine($"  Date: {info.Date:yyyy-MM-dd}");

        // Materials
        var concrete = criteria.MaterialProperties.Concrete;
        Console.WriteLine("\nConcrete Properties:");
        Console.WriteLine($"  f'c: {concrete.fc} psi");
        Console.WriteLine($"  f'ci: {concrete.fci} psi");
        Console.WriteLine($"  Unit Weight: {concrete.UnitWeight} pcf");

        // Settings
        var settings = criteria.Settings;
        Console.WriteLine("\nDesign Settings:");
        Console.WriteLine($"  Phi Flexure: {settings.Flexure.PhiFlexure}");
        Console.WriteLine($"  Phi Shear: {settings.Shear.PhiShear}");
    }
}