[LL API] return FirErrorProperty for top level destructuring declaration

KTIJ-23552

compiler/fir/tree/src/org/jetbrains/kotlin/fir/diagnostics/ConeSimpleDiagnostic.kt

@@ -6,9 +6,7 @@
 package org.jetbrains.kotlin.fir.diagnostics
 
 import org.jetbrains.kotlin.KtSourceElement
-import org.jetbrains.kotlin.fir.declarations.FirTypeParameter
 import org.jetbrains.kotlin.fir.symbols.impl.FirTypeParameterSymbol
-import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
 import org.jetbrains.kotlin.name.Name
 
@@ -43,6 +41,11 @@ class ConeRecursiveTypeParameterDuringErasureError(val typeParameterName: Name)
         get() = "self-recursive type parameter $typeParameterName"
 }
 
+object ConeDestructuringDeclarationsOnTopLevel : ConeDiagnostic {
+    override val reason: String
+        get() = "Destructuring declarations are only allowed for local variables/values"
+}
+
 enum class DiagnosticKind {
     Syntax,
     ExpressionExpected,