Simple.OData.V3.Client by Vagif Abilov

<PackageReference Include="Simple.OData.V3.Client" Version="4.3.1" />

 HttpLiteral

static class HttpLiteral
public const string ContentId = "Content-ID"

public const string ContentLength = "Content-Length"

public const string ContentType = "Content-Type"

public const string DataServiceVersion = "DataServiceVersion"

public const string IfMatch = "If-Match"

public const string MaxDataServiceVersion = "MaxDataServiceVersion"

public const string MinDataServiceVersion = "MinDataServiceVersion"

public const string ODataMaxVersion = "OData-MaxVersion"

public const string ODataVersion = "OData-Version"

public const string Prefer = "Prefer"

public const string PreferenceApplied = "Preference-Applied"

public const string ReturnContent = "return-content"

public const string ReturnMinimal = "return=minimal"

public const string ReturnNoContent = "return-no-content"

public const string ReturnRepresentation = "return=representation"