[#28] Clients: Make immutable parameters

Signed-off-by: Pavel Gross <p.gross@yadro.com>

src/FrostFS.SDK.Client/Parameters/PrmRangeGet.cs

@@ -1,11 +1,12 @@
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmRangeGet(
+public readonly struct PrmRangeGet(
     FrostFsContainerId containerId,
     FrostFsObjectId objectId,
     FrostFsRange range,
     bool raw = false,
-    CallContext? ctx = null) : PrmBase(ctx), ISessionToken
+    FrostFsSessionToken? sessionToken = null,
+    string[]? xheaders = null) : ISessionToken, System.IEquatable<PrmRangeGet>
 {
     public FrostFsContainerId ContainerId { get; } = containerId;
 
@@ -16,5 +17,41 @@ public sealed class PrmRangeGet(
     public bool Raw { get; } = raw;
 
     /// <inheritdoc />
-    public FrostFsSessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; } = sessionToken;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmRangeGet)
+            return false;
+
+        return Equals((PrmRangeGet)obj);
+    }
+
+    public readonly bool Equals(PrmRangeGet other)
+    {
+        return GetHashCode() == other.GetHashCode();
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return ContainerId.GetHashCode()
+            ^ ObjectId.GetHashCode()
+            ^ Range.GetHashCode()
+            ^ Raw.GetHashCode();
+    }
+
+    public static bool operator ==(PrmRangeGet left, PrmRangeGet right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmRangeGet left, PrmRangeGet right)
+    {
+        return !(left == right);
+    }
 }