[FIR] Get rid of FirSymbolProvider.getAllCallableNamesInPackage

#KT-41048

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/deserialization/KotlinDeserializedJvmSymbolsProvider.kt

@@ -408,12 +408,6 @@ class KotlinDeserializedJvmSymbolsProvider(
         }
     }
 
-    override fun getAllCallableNamesInPackage(fqName: FqName): Set<Name> {
-        return getPackageParts(fqName).flatMapTo(mutableSetOf()) { packagePart ->
-            packagePart.proto.functionList.map { packagePart.context.nameResolver.getName(it.name) }
-        }
-    }
-
     override fun getClassNamesInPackage(fqName: FqName): Set<Name> =
         javaClassFinder.findPackage(fqName)
             ?.getClasses { true }.orEmpty()

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/providers/FirSymbolProvider.kt

@@ -56,9 +56,6 @@ abstract class FirSymbolProvider : FirSessionComponent {
 
     abstract fun getNestedClassifierScope(classId: ClassId): FirScope?
 
-    @Deprecated("will be deleted soon")
-    open fun getAllCallableNamesInPackage(fqName: FqName): Set<Name> = emptySet()
-
     @Deprecated("will be deleted soon")
     open fun getClassNamesInPackage(fqName: FqName): Set<Name> = emptySet()
 

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/providers/impl/FirBuiltinSymbolProvider.kt

@@ -257,12 +257,6 @@ class FirBuiltinSymbolProvider(val session: FirSession, val kotlinScopeProvider:
         }
     }
 
-    override fun getAllCallableNamesInPackage(fqName: FqName): Set<Name> {
-        return allPackageFragments[fqName]?.flatMapTo(mutableSetOf()) {
-            it.getAllCallableNames()
-        } ?: emptySet()
-    }
-
     override fun getClassNamesInPackage(fqName: FqName): Set<Name> {
         return allPackageFragments[fqName]?.flatMapTo(mutableSetOf()) {
             it.getAllClassNames()

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/providers/impl/FirCompositeSymbolProvider.kt

@@ -37,10 +37,6 @@ class FirCompositeSymbolProvider(val providers: List<FirSymbolProvider>) : FirSy
         return providers.firstNotNullResult { it.getClassLikeSymbolByFqName(classId) }
     }
 
-    override fun getAllCallableNamesInPackage(fqName: FqName): Set<Name> {
-        return providers.flatMapTo(mutableSetOf()) { it.getAllCallableNamesInPackage(fqName) }
-    }
-
     override fun getClassNamesInPackage(fqName: FqName): Set<Name> {
         return providers.flatMapTo(mutableSetOf()) { it.getClassNamesInPackage(fqName) }
     }

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/providers/impl/FirDependenciesSymbolProviderImpl.kt

@@ -64,10 +64,6 @@ open class FirDependenciesSymbolProviderImpl(val session: FirSession) : Abstract
         }
     }
 
-    override fun getAllCallableNamesInPackage(fqName: FqName): Set<Name> {
-        return dependencyProviders.flatMapTo(mutableSetOf()) { it.getAllCallableNamesInPackage(fqName) }
-    }
-
     override fun getClassNamesInPackage(fqName: FqName): Set<Name> {
         return dependencyProviders.flatMapTo(mutableSetOf()) { it.getClassNamesInPackage(fqName) }
     }

idea/idea-frontend-fir/idea-fir-low-level-api/src/org/jetbrains/kotlin/idea/fir/low/level/api/providers/FirIdeProvider.kt

@@ -130,15 +130,6 @@ internal class FirIdeProvider(
         override fun getClassLikeSymbolByFqName(classId: ClassId): FirClassLikeSymbol<*>? {
             return getFirClassifierByFqName(classId)?.symbol
         }
-
-        // TODO this should be reworked because [FirIdeProvider] should not have such method
-        // used only in completion
-        override fun getAllCallableNamesInPackage(fqName: FqName): Set<Name> {
-            return hashSetOf<Name>().apply {
-                indexHelper.getTopLevelPropertiesInPackage(fqName).mapNotNullTo(this) { it.nameAsName }
-                indexHelper.getTopLevelFunctionsInPackage(fqName).mapNotNullTo(this) { it.nameAsName }
-            }
-        }
     }
 }
 

idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/scopes/KtFirPackageScope.kt

@@ -28,7 +28,8 @@ internal class KtFirPackageScope(
     private val provider get() = firScope.session.firSymbolProvider
 
     override fun getCallableNames(): Set<Name> = withValidityAssertion {
-        provider.getAllCallableNamesInPackage(fqName)
+        // TODO: KT-41048
+        emptySet()
     }
 
     override fun getClassLikeSymbolNames(): Set<Name> = withValidityAssertion {