Add back SbtExclusionRule companion implicit lifts

librarymanagement/src/main/datatype/librarymanagement.json

@@ -766,7 +766,8 @@
         { "name": "artifact",       "type": "String"                             },
         { "name": "configurations", "type": "String*"                            },
         { "name": "crossVersion",   "type": "sbt.librarymanagement.CrossVersion" }
-      ]
+      ],
+      "parentsCompanion": "sbt.internal.librarymanagement.SbtExclusionRuleFunctions"
     },
     {
       "name": "UpdateReportLite",

librarymanagement/src/main/scala/sbt/internal/librarymanagement/SbtExclusionRuleExtra.scala

@@ -0,0 +1,17 @@
+package sbt.internal.librarymanagement
+
+import sbt.internal.librarymanagement.impl._
+import sbt.librarymanagement._
+
+abstract class SbtExclusionRuleFunctions {
+  def apply(organization: String, name: String): SbtExclusionRule =
+    SbtExclusionRule(organization, name, "*", Vector.empty, Disabled())
+
+  def apply(organization: String): SbtExclusionRule = apply(organization, "*")
+
+  implicit def groupIdToExclusionRule(organization: GroupID): SbtExclusionRule = apply(organization.groupID)
+  implicit def stringToExclusionRule(organization: String): SbtExclusionRule = apply(organization)
+
+  implicit def groupArtifactIDToExclusionRule(gaid: GroupArtifactID): SbtExclusionRule =
+    SbtExclusionRule(gaid.groupID, gaid.artifactID, "*", Vector.empty, gaid.crossVersion)
+}