sonar fixes

Author: hjgraca

libraries/src/AWS.Lambda.Powertools.Metrics/Metrics.cs

@@ -596,11 +596,11 @@ void IMetrics.AddDimensions(params (string key, string value)[] dimensions)
         foreach (var (key, value) in dimensions)
         {
             if (string.IsNullOrWhiteSpace(key))
-                throw new ArgumentNullException(nameof(key),
+                throw new ArgumentNullException(nameof(dimensions),
                     "'AddDimensions' method requires valid dimension keys. 'Null' or empty values are not allowed.");
 
             if (string.IsNullOrWhiteSpace(value))
-                throw new ArgumentNullException(nameof(value),
+                throw new ArgumentNullException(nameof(dimensions),
                     "'AddDimensions' method requires valid dimension values. 'Null' or empty values are not allowed.");
         }
 

libraries/src/AWS.Lambda.Powertools.Metrics/Model/MetricDirective.cs

@@ -214,7 +214,7 @@ internal void AddDimension(DimensionSet dimension)
             // Check the actual dimension count inside the first dimension set
             if (firstDimensionSet.Dimensions.Count >= PowertoolsConfigurations.MaxDimensions)
             {
-                throw new ArgumentOutOfRangeException(nameof(Dimensions),
+                throw new ArgumentOutOfRangeException(nameof(dimension),
                     $"Cannot add more than {PowertoolsConfigurations.MaxDimensions} dimensions at the same time.");
             }