diff --git a/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/InheritedParentsResultSoft.scala b/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/InheritedParentsResultSoft.scala
new file mode 100644
index 00000000..6e2c0fb5
--- /dev/null
+++ b/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/InheritedParentsResultSoft.scala
@@ -0,0 +1,31 @@
+// Copyright 2024 The Alephium Authors
+// This file is part of the alephium project.
+//
+// The library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the library. If not, see http://www.gnu.org/licenses/.
+
+package org.alephium.ralph.lsp.pc.workspace
+
+import org.alephium.ralph.lsp.pc.sourcecode.SourceLocation
+
+import scala.collection.immutable.ArraySeq
+
+/**
+ * Result type for the function [[WorkspaceSearcher.collectInheritedParentsSoft]].
+ *
+ * @param parentTrees The resulting parent trees within the current workspace.
+ * @param allTrees   All trees in scope within the current workspace.
+ */
+case class InheritedParentsResultSoft(
+    parentTrees: ArraySeq[SourceLocation.CodeSoft],
+    allTrees: ArraySeq[SourceLocation.CodeSoft])
diff --git a/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/WorkspaceSearcher.scala b/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/WorkspaceSearcher.scala
index f9baec37..20e0d9dc 100644
--- a/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/WorkspaceSearcher.scala
+++ b/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/WorkspaceSearcher.scala
@@ -133,6 +133,32 @@ object WorkspaceSearcher {
     )
   }
 
+  /**
+   * Collects all parent source implementations inherited by the given source tree, excluding itself.
+   *
+   * @param sourceCode The source code for which in-scope files are being searched.
+   * @param workspace  The workspace that may contain files within the scope.
+   * @return The source trees within the scope.
+   */
+  def collectInheritedParentsSoft(
+      sourceCode: SourceLocation.CodeSoft,
+      workspace: WorkspaceState.IsSourceAware
+    )(implicit logger: ClientLogger): InheritedParentsResultSoft = {
+    val allInScopeCode =
+      collectTreesSoft(workspace = workspace, includeNonImportedCode = false)
+
+    val parents =
+      SourceCodeSearcher.collectInheritedParents(
+        source = sourceCode,
+        allSource = allInScopeCode
+      )
+
+    InheritedParentsResultSoft(
+      parentTrees = parents,
+      allTrees = allInScopeCode
+    )
+  }
+
   /**
    * Collects all children implementing or extending the given
    * source tree and public contracts/structs.