remove `ImplicitUsings disable` from projects (part 6) (#3990)

* remove ImplicitUsings disable from projects.
ZPages

* Hosting

* Propagators

* remove implicitusings disable from projectsn
AspNetCore

* Http and GrpcNetClient

src/OpenTelemetry.Instrumentation.AspNetCore/AspNetCoreInstrumentation.cs

@@ -13,8 +13,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 // </copyright>
-using System;
-using System.Collections.Generic;
 using OpenTelemetry.Instrumentation.AspNetCore.Implementation;
 
 namespace OpenTelemetry.Instrumentation.AspNetCore

src/OpenTelemetry.Instrumentation.AspNetCore/AspNetCoreInstrumentationOptions.cs

@@ -14,7 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using System.Diagnostics;
 using Microsoft.AspNetCore.Http;
 

src/OpenTelemetry.Instrumentation.AspNetCore/AspNetCoreMetrics.cs

@@ -14,8 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics.Metrics;
 using System.Reflection;
 using OpenTelemetry.Instrumentation.AspNetCore.Implementation;

src/OpenTelemetry.Instrumentation.AspNetCore/AspNetCoreMetricsInstrumentationOptions.cs

@@ -14,7 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using System.Diagnostics;
 using Microsoft.AspNetCore.Http;
 

src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/AspNetCoreInstrumentationEventSource.cs

@@ -14,7 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using System.Diagnostics.Tracing;
 using OpenTelemetry.Internal;
 

src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInListener.cs

@@ -14,10 +14,7 @@
 // limitations under the License.
 // </copyright>
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
-using System.Linq;
 using System.Reflection;
 #if !NETSTANDARD2_0
 using System.Runtime.CompilerServices;

src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInMetricsListener.cs

@@ -14,8 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Diagnostics.Metrics;
 using Microsoft.AspNetCore.Http;

src/OpenTelemetry.Instrumentation.AspNetCore/MeterProviderBuilderExtensions.cs

@@ -14,7 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 using OpenTelemetry.Instrumentation.AspNetCore;

src/OpenTelemetry.Instrumentation.AspNetCore/OpenTelemetry.Instrumentation.AspNetCore.csproj

@@ -8,7 +8,6 @@
 
     <!-- this is temporary. will remove in future PR. -->
     <Nullable>disable</Nullable>
-    <ImplicitUsings>disable</ImplicitUsings>
   </PropertyGroup>
 
   <ItemGroup>

src/OpenTelemetry.Instrumentation.AspNetCore/TracerProviderBuilderExtensions.cs

@@ -14,7 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 #if NET7_0_OR_GREATER
 using System.Diagnostics;
 #endif

src/OpenTelemetry.Instrumentation.GrpcNetClient/GrpcClientInstrumentation.cs

@@ -13,7 +13,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 // </copyright>
-using System;
 using OpenTelemetry.Instrumentation.GrpcNetClient.Implementation;
 
 namespace OpenTelemetry.Instrumentation.GrpcNetClient

src/OpenTelemetry.Instrumentation.GrpcNetClient/GrpcClientInstrumentationOptions.cs

@@ -14,9 +14,7 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using System.Diagnostics;
-using System.Net.Http;
 
 namespace OpenTelemetry.Instrumentation.GrpcNetClient
 {

src/OpenTelemetry.Instrumentation.GrpcNetClient/Implementation/GrpcClientDiagnosticListener.cs

@@ -14,9 +14,7 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using System.Diagnostics;
-using System.Net.Http;
 using System.Reflection;
 using OpenTelemetry.Context.Propagation;
 using OpenTelemetry.Instrumentation.Http;

src/OpenTelemetry.Instrumentation.GrpcNetClient/Implementation/GrpcInstrumentationEventSource.cs

@@ -14,7 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using System.Diagnostics.Tracing;
 using OpenTelemetry.Internal;
 

src/OpenTelemetry.Instrumentation.GrpcNetClient/OpenTelemetry.Instrumentation.GrpcNetClient.csproj

@@ -8,7 +8,6 @@
 
     <!-- this is temporary. will remove in future PR. -->
     <Nullable>disable</Nullable>
-    <ImplicitUsings>disable</ImplicitUsings>
   </PropertyGroup>
 
   <ItemGroup>

src/OpenTelemetry.Instrumentation.GrpcNetClient/TracerProviderBuilderExtensions.cs

@@ -14,7 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 using OpenTelemetry.Instrumentation.GrpcNetClient;

src/OpenTelemetry.Instrumentation.Http/HttpClientInstrumentation.cs

@@ -13,7 +13,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 // </copyright>
-using System;
 using OpenTelemetry.Instrumentation.Http.Implementation;
 
 namespace OpenTelemetry.Instrumentation.Http

src/OpenTelemetry.Instrumentation.Http/HttpClientInstrumentationOptions.cs

@@ -14,10 +14,11 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using System.Diagnostics;
 using System.Net;
+#if NETFRAMEWORK
 using System.Net.Http;
+#endif
 using System.Runtime.CompilerServices;
 using OpenTelemetry.Instrumentation.Http.Implementation;
 

src/OpenTelemetry.Instrumentation.Http/HttpClientMetrics.cs

@@ -14,7 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using System.Diagnostics.Metrics;
 using System.Reflection;
 using OpenTelemetry.Instrumentation.Http.Implementation;

src/OpenTelemetry.Instrumentation.Http/HttpRequestMessageContextPropagation.cs

@@ -14,9 +14,9 @@
 // limitations under the License.
 // </copyright>
 
-using System;
-using System.Collections.Generic;
+#if NETFRAMEWORK
 using System.Net.Http;
+#endif
 
 namespace OpenTelemetry.Instrumentation.Http
 {

src/OpenTelemetry.Instrumentation.Http/Implementation/HttpHandlerDiagnosticListener.cs

@@ -14,11 +14,11 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using System.Diagnostics;
+#if NETFRAMEWORK
 using System.Net.Http;
+#endif
 using System.Reflection;
-using System.Threading.Tasks;
 using OpenTelemetry.Context.Propagation;
 using OpenTelemetry.Trace;
 

src/OpenTelemetry.Instrumentation.Http/Implementation/HttpHandlerMetricsDiagnosticListener.cs

@@ -14,10 +14,11 @@
 // limitations under the License.
 // </copyright>
 
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Diagnostics.Metrics;
+#if NETFRAMEWORK
 using System.Net.Http;
+#endif
 using OpenTelemetry.Trace;
 
 namespace OpenTelemetry.Instrumentation.Http.Implementation

src/OpenTelemetry.Instrumentation.Http/Implementation/HttpInstrumentationEventSource.cs

@@ -14,7 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using System.Diagnostics.Tracing;
 using OpenTelemetry.Internal;
 

src/OpenTelemetry.Instrumentation.Http/Implementation/HttpTagHelper.cs

@@ -13,9 +13,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 // </copyright>
-using System;
 using System.Collections.Concurrent;
+#if NETFRAMEWORK
 using System.Net.Http;
+#endif
 
 namespace OpenTelemetry.Instrumentation.Http.Implementation
 {

src/OpenTelemetry.Instrumentation.Http/Implementation/HttpWebRequestActivitySource.netfx.cs

@@ -15,9 +15,7 @@
 // </copyright>
 
 #if NETFRAMEWORK
-using System;
 using System.Collections;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Net;
 using System.Reflection;

src/OpenTelemetry.Instrumentation.Http/OpenTelemetry.Instrumentation.Http.csproj

@@ -9,7 +9,6 @@
 
     <!-- this is temporary. will remove in future PR. -->
     <Nullable>disable</Nullable>
-    <ImplicitUsings>disable</ImplicitUsings>
   </PropertyGroup>
 
   <ItemGroup>

src/OpenTelemetry.Instrumentation.Http/TracerProviderBuilderExtensions.cs

@@ -14,7 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 using OpenTelemetry.Instrumentation.Http;

src/OpenTelemetry/DiagnosticSourceInstrumentation/DiagnosticSourceListener.cs

@@ -14,10 +14,12 @@
 // limitations under the License.
 // </copyright>
 
+#pragma warning disable IDE0005 // Temporarily suppressing "Using directive is unnecessary" until other projects have been updated. See #3958.
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using OpenTelemetry.Internal;
+#pragma warning restore IDE0005
 
 namespace OpenTelemetry.Instrumentation
 {

src/OpenTelemetry/DiagnosticSourceInstrumentation/DiagnosticSourceSubscriber.cs

@@ -13,11 +13,14 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 // </copyright>
+
+#pragma warning disable IDE0005 // Temporarily suppressing "Using directive is unnecessary" until other projects have been updated. See #3958.
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Threading;
 using OpenTelemetry.Internal;
+#pragma warning restore IDE0005
 
 namespace OpenTelemetry.Instrumentation
 {

src/OpenTelemetry/DiagnosticSourceInstrumentation/InstrumentationEventSource.cs

@@ -14,9 +14,11 @@
 // limitations under the License.
 // </copyright>
 
+#pragma warning disable IDE0005 // Temporarily suppressing "Using directive is unnecessary" until other projects have been updated. See #3958.
 using System;
 using System.Diagnostics.Tracing;
 using OpenTelemetry.Internal;
+#pragma warning restore IDE0005
 
 namespace OpenTelemetry.Instrumentation
 {

src/OpenTelemetry/DiagnosticSourceInstrumentation/PropertyFetcher.cs

@@ -14,10 +14,12 @@
 // limitations under the License.
 // </copyright>
 
+#pragma warning disable IDE0005 // Temporarily suppressing "Using directive is unnecessary" until other projects have been updated. See #3958.
 using System;
 using System.Linq;
 using System.Reflection;
 using OpenTelemetry.Internal;
+#pragma warning restore IDE0005
 
 namespace OpenTelemetry.Instrumentation
 {

src/OpenTelemetry/Internal/ActivityInstrumentationHelper.cs

@@ -14,9 +14,11 @@
 // limitations under the License.
 // </copyright>
 
+#pragma warning disable IDE0005 // Temporarily suppressing "Using directive is unnecessary" until other projects have been updated. See #3958.
 using System;
 using System.Diagnostics;
 using System.Linq.Expressions;
+#pragma warning restore IDE0005
 
 namespace OpenTelemetry.Instrumentation
 {