refactor: remove unused usings

src/Microsoft.ComponentDetection.Common/DependencyScopeComparer.cs

@@ -1,13 +1,10 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-using Microsoft.ComponentDetection.Contracts.BcdeModels;
+using Microsoft.ComponentDetection.Contracts.BcdeModels;
 
 namespace Microsoft.ComponentDetection.Common
 {
     /// <summary>
-    /// Merges dependnecy Scope in their order of Priority. 
-    /// Higher priority scope, as indicated by its lower enum value is given precendence. 
+    /// Merges dependnecy Scope in their order of Priority.
+    /// Higher priority scope, as indicated by its lower enum value is given precendence.
     /// </summary>
     public class DependencyScopeComparer
     {

src/Microsoft.ComponentDetection.Common/DockerReference/DockerReferenceUtility.cs

@@ -1,7 +1,4 @@
 using Microsoft.ComponentDetection.Contracts;
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Text.RegularExpressions;
 
 // transcribed from https://github.com/containers/image/blob/c1a5f92d0ebbf9e0bf187b3353dd400472b388eb/docker/reference/reference.go
@@ -67,7 +64,7 @@ public static DockerReference ParseQualifiedName(string qualifiedName)
             }
 
             Reference reference = new Reference();
-     
+
             var nameMatch = DockerRegex.AnchoredNameRegexp.Match(name).Groups;
             if (nameMatch.Count == 3)
             {
@@ -172,4 +169,4 @@ private static DockerReference CreateDockerReference(Reference options)
             return DockerReference.CreateDockerReference(options.Repository, options.Domain, options.Digest, options.Tag);
         }
     }
-}
+}

src/Microsoft.ComponentDetection.Common/DockerReference/DockerRegex.cs

@@ -1,5 +1,3 @@
-using System;
-using System.Collections.Generic;
 using System.Linq;
 using System.Text.RegularExpressions;
 
@@ -71,10 +69,10 @@ public static Regex Capture(params Regex[] regexps)
             DomainComponentRegexp,
             Optional(
                 Repeated(
-                    new Regex(@"\."), 
+                    new Regex(@"\."),
                     DomainComponentRegexp)),
             Optional(
-                new Regex(":"), 
+                new Regex(":"),
                 new Regex("[0-9]+")));
 
         public static Regex AnchoredDigestRegexp = Anchored(DigestRegexp);
@@ -107,4 +105,4 @@ public static Regex Capture(params Regex[] regexps)
 
         public static Regex AnchoredIdentifierRegexp = Anchored(IdentifierRegexp);
     }
-}
+}

src/Microsoft.ComponentDetection.Common/Telemetry/Records/PyPiCacheTelemetryRecord.cs

@@ -1,6 +1,4 @@
-using System.Net;
-
-namespace Microsoft.ComponentDetection.Common.Telemetry.Records
+namespace Microsoft.ComponentDetection.Common.Telemetry.Records
 {
     public class PypiCacheTelemetryRecord : BaseDetectionTelemetryRecord
     {

src/Microsoft.ComponentDetection.Contracts/BcdeModels/DependencyScope.cs

@@ -1,11 +1,7 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace Microsoft.ComponentDetection.Contracts.BcdeModels
+namespace Microsoft.ComponentDetection.Contracts.BcdeModels
 {
-    /// <summary>Used to communicate Dependency Scope of Component. 
-    /// Currently only populated for Maven component. 
+    /// <summary>Used to communicate Dependency Scope of Component.
+    /// Currently only populated for Maven component.
     /// The values are ordered in terms of priority, which is used to resolve the scope for duplicate component while merging them.
     /// </summary>
     public enum DependencyScope

src/Microsoft.ComponentDetection.Detectors/go/GoComponentDetector.cs

@@ -3,7 +3,6 @@
 using System.Composition;
 using System.IO;
 using System.Linq;
-using System.Security.Cryptography.X509Certificates;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Microsoft.ComponentDetection.Common.Telemetry.Records;

src/Microsoft.ComponentDetection.Detectors/maven/MavenParsingUtilities.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Net;
 using System.Text.RegularExpressions;
 using Microsoft.ComponentDetection.Contracts;
 using Microsoft.ComponentDetection.Contracts.BcdeModels;
@@ -10,7 +9,7 @@ namespace Microsoft.ComponentDetection.Detectors.Maven
 {
     public static class MavenParsingUtilities
     {
-        private static readonly Dictionary<string, DependencyScope> MavenScopeToDependencyScopeMapping = new Dictionary<string, DependencyScope>() 
+        private static readonly Dictionary<string, DependencyScope> MavenScopeToDependencyScopeMapping = new Dictionary<string, DependencyScope>()
         {
             { "compile", DependencyScope.MavenCompile },
             { "provided", DependencyScope.MavenProvided },
@@ -60,8 +59,8 @@ private static (string groupId, string artifactId, string version, bool? isDevel
             {
                 dependencyScope = MavenScopeToDependencyScopeMapping.TryGetValue(
                     Regex.Match(results[4], @"^([\w]+)").Value,
-                    out dependencyScope) 
-                    ? dependencyScope 
+                    out dependencyScope)
+                    ? dependencyScope
                     : throw new InvalidOperationException($"Invalid scope ('{results[4]}') found for '{mavenComponentString}' found in generated dependency graph.");
                 isDevDependency = dependencyScope == DependencyScope.MavenTest;
             }

src/Microsoft.ComponentDetection.Detectors/vcpkg/VcpkgComponentDetector.cs

@@ -3,10 +3,7 @@
 using System.Composition;
 using System.IO;
 using System.Linq;
-using System.Text.RegularExpressions;
 using System.Threading.Tasks;
-using Microsoft.ComponentDetection.Common;
-using Microsoft.ComponentDetection.Common.Telemetry.Records;
 using Microsoft.ComponentDetection.Contracts;
 using Microsoft.ComponentDetection.Contracts.Internal;
 using Microsoft.ComponentDetection.Contracts.TypedComponent;

test/Microsoft.ComponentDetection.Common.Tests/DependencyScopeComparerTests.cs

@@ -1,11 +1,7 @@
 using FluentAssertions;
-using FluentAssertions.Primitives;
 using Microsoft.ComponentDetection.Contracts.BcdeModels;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-using System;
-using Faker;
 using static Microsoft.ComponentDetection.Common.DependencyScopeComparer;
-using System.Linq;
 
 namespace Microsoft.ComponentDetection.Common.Tests
 {

test/Microsoft.ComponentDetection.Common.Tests/EnvironmentVariableServiceTests.cs

@@ -1,5 +1,4 @@
-using Microsoft.ComponentDetection.Common;
-using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
 
 using System;
 
@@ -26,14 +25,14 @@ public void TestCleanup()
 
         [TestMethod]
         public void DoesEnvironmentVariableExist_ChecksAreCaseInsensitive()
-        { 
+        {
             Assert.IsFalse(testSubject.DoesEnvironmentVariableExist("THIS_ENVIRONMENT_VARIABLE_DOES_NOT_EXIST"));
 
             Assert.IsTrue(testSubject.DoesEnvironmentVariableExist(MyEnvVar));
             Assert.IsTrue(testSubject.DoesEnvironmentVariableExist(MyEnvVar.ToLower()));
             Assert.IsTrue(testSubject.DoesEnvironmentVariableExist(MyEnvVar.ToUpper()));
         }
-        
+
         [TestMethod]
         public void GetEnvironmentVariable_returnNullIfVariableDoesNotExist()
         {

test/Microsoft.ComponentDetection.Detectors.Tests/MavenParsingUtilitiesTests.cs

@@ -1,13 +1,8 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-using Microsoft.ComponentDetection.Detectors.Maven;
 using System;
-using System.Collections.Generic;
-using System.Text;
 using static Microsoft.ComponentDetection.Detectors.Maven.MavenParsingUtilities;
 using Microsoft.ComponentDetection.Contracts.TypedComponent;
-using FluentAssertions.Collections;
 using Microsoft.ComponentDetection.Contracts.BcdeModels;
-using Microsoft.ComponentDetection.Contracts;
 
 namespace Microsoft.ComponentDetection.Detectors.Tests
 {
@@ -26,12 +21,12 @@ public void GenerateDetectedComponentAndIsDeveDependencyAndDependencyScope_Happy
             Assert.IsNotNull(componentAndMetaData.Component);
             Assert.IsNotNull(componentAndMetaData.IsDevelopmentDependency);
             Assert.IsNotNull(componentAndMetaData.dependencyScope);
-            
+
             var actualComponent = (MavenComponent)componentAndMetaData.Component.Component;
             Assert.IsInstanceOfType(actualComponent, typeof(MavenComponent));
 
             var expectedComponent = new MavenComponent("org.apache.maven", "maven-artifact", "3.6.1-SNAPSHOT");
-            
+
             Assert.AreEqual(expectedComponent.ArtifactId, actualComponent.ArtifactId);
             Assert.AreEqual(expectedComponent.GroupId, actualComponent.GroupId);
             Assert.AreEqual(expectedComponent.Version, actualComponent.Version);