TITcs.SharePoint.Libs by Stiven F. Câmara

<PackageReference Include="TITcs.SharePoint.Libs" Version="1.0.0" />

.NET API 60,016,200 bytes

 SPFieldLookup

public class SPFieldLookup : SPField
public virtual bool AllowMultipleValues { get; set; }

public virtual bool CountRelated { get; set; }

public bool IsDependentLookup { get; }

public bool IsRelationship { get; set; }

public string LookupField { get; set; }

public string LookupList { get; set; }

public Guid LookupWebId { get; set; }

public bool PrependId { get; set; }

public string PrimaryFieldId { get; set; }

public bool UnlimitedLengthInDocumentLibrary { get; set; }

public SPFieldLookup(SPFieldCollection fields, string fieldName)

public SPFieldLookup(SPFieldCollection fields, string typeName, string displayName)