diff --git a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/utils/FirStatusUtils.kt b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/utils/FirStatusUtils.kt
index d72a49b360a..46d81c3ed88 100644
--- a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/utils/FirStatusUtils.kt
+++ b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/utils/FirStatusUtils.kt
@@ -51,10 +51,10 @@ inline val FirMemberDeclaration.isFun: Boolean get() = status.isFun
 inline val FirClassLikeDeclaration.isLocal: Boolean get() = symbol.classId.isLocal
 
 inline val FirClass.isInterface: Boolean
-    get() = classKind == ClassKind.INTERFACE
+    get() = classKind.isInterface
 
 inline val FirClass.isEnumClass: Boolean
-    get() = classKind == ClassKind.ENUM_CLASS
+    get() = classKind.isEnumClass
 
 inline val FirRegularClass.isSealed: Boolean get() = status.modality == Modality.SEALED
 
diff --git a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/utils/FirSymbolStatusUtils.kt b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/utils/FirSymbolStatusUtils.kt
new file mode 100644
index 00000000000..a2dac5e4b1b
--- /dev/null
+++ b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/utils/FirSymbolStatusUtils.kt
@@ -0,0 +1,122 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.fir.declarations.utils
+
+import org.jetbrains.kotlin.descriptors.*
+import org.jetbrains.kotlin.fir.FirRenderer
+import org.jetbrains.kotlin.fir.declarations.*
+import org.jetbrains.kotlin.fir.render
+import org.jetbrains.kotlin.fir.symbols.impl.*
+
+// ---------------------- callables with status ----------------------
+
+inline val FirCallableSymbol<*>.modality: Modality? get() = resolvedStatus.modality
+inline val FirCallableSymbol<*>.isAbstract: Boolean get() = resolvedStatus.modality == Modality.ABSTRACT
+inline val FirCallableSymbol<*>.isOpen: Boolean get() = resolvedStatus.modality == Modality.OPEN
+inline val FirCallableSymbol<*>.isFinal: Boolean
+    get() {
+        // member with unspecified modality is final
+        val modality = resolvedStatus.modality ?: return true
+        return modality == Modality.FINAL
+    }
+
+inline val FirCallableSymbol<*>.visibility: Visibility get() = resolvedStatus.visibility
+inline val FirCallableSymbol<*>.effectiveVisibility: EffectiveVisibility get() = resolvedStatus.effectiveVisibility
+
+inline val FirCallableSymbol<*>.allowsToHaveFakeOverride: Boolean
+    get() = !Visibilities.isPrivate(visibility) && visibility != Visibilities.InvisibleFake
+
+inline val FirCallableSymbol<*>.isActual: Boolean get() = resolvedStatus.isActual
+inline val FirCallableSymbol<*>.isExpect: Boolean get() = resolvedStatus.isExpect
+inline val FirCallableSymbol<*>.isInner: Boolean get() = resolvedStatus.isInner
+inline val FirCallableSymbol<*>.isStatic: Boolean get() = resolvedStatus.isStatic
+inline val FirCallableSymbol<*>.isOverride: Boolean get() = resolvedStatus.isOverride
+inline val FirCallableSymbol<*>.isOperator: Boolean get() = resolvedStatus.isOperator
+inline val FirCallableSymbol<*>.isInfix: Boolean get() = resolvedStatus.isInfix
+inline val FirCallableSymbol<*>.isInline: Boolean get() = resolvedStatus.isInline
+inline val FirCallableSymbol<*>.isTailRec: Boolean get() = resolvedStatus.isTailRec
+inline val FirCallableSymbol<*>.isExternal: Boolean get() = resolvedStatus.isExternal
+inline val FirCallableSymbol<*>.isSuspend: Boolean get() = resolvedStatus.isSuspend
+inline val FirCallableSymbol<*>.isConst: Boolean get() = resolvedStatus.isConst
+inline val FirCallableSymbol<*>.isLateInit: Boolean get() = resolvedStatus.isLateInit
+inline val FirCallableSymbol<*>.isFromSealedClass: Boolean get() = resolvedStatus.isFromSealedClass
+inline val FirCallableSymbol<*>.isFromEnumClass: Boolean get() = resolvedStatus.isFromEnumClass
+inline val FirCallableSymbol<*>.isFun: Boolean get() = resolvedStatus.isFun
+
+// ---------------------- regular with status ----------------------
+
+inline val FirRegularClassSymbol.modality: Modality? get() = resolvedStatus.modality
+inline val FirRegularClassSymbol.isAbstract: Boolean get() = resolvedStatus.modality == Modality.ABSTRACT
+inline val FirRegularClassSymbol.isOpen: Boolean get() = resolvedStatus.modality == Modality.OPEN
+inline val FirRegularClassSymbol.isFinal: Boolean
+    get() {
+        // member with unspecified modality is final
+        val modality = resolvedStatus.modality ?: return true
+        return modality == Modality.FINAL
+    }
+
+inline val FirRegularClassSymbol.visibility: Visibility get() = resolvedStatus.visibility
+inline val FirRegularClassSymbol.effectiveVisibility: EffectiveVisibility get() = resolvedStatus.effectiveVisibility
+
+inline val FirRegularClassSymbol.isActual: Boolean get() = resolvedStatus.isActual
+inline val FirRegularClassSymbol.isExpect: Boolean get() = resolvedStatus.isExpect
+inline val FirRegularClassSymbol.isInner: Boolean get() = resolvedStatus.isInner
+inline val FirRegularClassSymbol.isStatic: Boolean get() = resolvedStatus.isStatic
+inline val FirRegularClassSymbol.isInline: Boolean get() = resolvedStatus.isInline
+inline val FirRegularClassSymbol.isExternal: Boolean get() = resolvedStatus.isExternal
+inline val FirRegularClassSymbol.isFromSealedClass: Boolean get() = resolvedStatus.isFromSealedClass
+inline val FirRegularClassSymbol.isFromEnumClass: Boolean get() = resolvedStatus.isFromEnumClass
+inline val FirRegularClassSymbol.isFun: Boolean get() = resolvedStatus.isFun
+inline val FirRegularClassSymbol.isCompanion: Boolean get() = resolvedStatus.isCompanion
+inline val FirRegularClassSymbol.isData: Boolean get() = resolvedStatus.isData
+inline val FirRegularClassSymbol.isSealed: Boolean get() = resolvedStatus.modality == Modality.SEALED
+
+inline val FirRegularClassSymbol.canHaveAbstractDeclaration: Boolean
+    get() = isAbstract || isSealed || isEnumClass
+
+// ---------------------- type aliases with status ----------------------
+
+inline val FirTypeAliasSymbol.modality: Modality? get() = resolvedStatus.modality
+inline val FirTypeAliasSymbol.isAbstract: Boolean get() = resolvedStatus.modality == Modality.ABSTRACT
+inline val FirTypeAliasSymbol.isOpen: Boolean get() = resolvedStatus.modality == Modality.OPEN
+inline val FirTypeAliasSymbol.isFinal: Boolean
+    get() {
+        // member with unspecified modality is final
+        val modality = resolvedStatus.modality ?: return true
+        return modality == Modality.FINAL
+    }
+
+inline val FirTypeAliasSymbol.visibility: Visibility get() = resolvedStatus.visibility
+inline val FirTypeAliasSymbol.effectiveVisibility: EffectiveVisibility
+    get() = resolvedStatus.effectiveVisibility
+
+inline val FirTypeAliasSymbol.isActual: Boolean get() = resolvedStatus.isActual
+inline val FirTypeAliasSymbol.isExpect: Boolean get() = resolvedStatus.isExpect
+inline val FirTypeAliasSymbol.isInner: Boolean get() = resolvedStatus.isInner
+inline val FirTypeAliasSymbol.isStatic: Boolean get() = resolvedStatus.isStatic
+inline val FirTypeAliasSymbol.isInline: Boolean get() = resolvedStatus.isInline
+inline val FirTypeAliasSymbol.isExternal: Boolean get() = resolvedStatus.isExternal
+inline val FirTypeAliasSymbol.isFromSealedClass: Boolean get() = resolvedStatus.isFromSealedClass
+inline val FirTypeAliasSymbol.isFromEnumClass: Boolean get() = resolvedStatus.isFromEnumClass
+inline val FirTypeAliasSymbol.isFun: Boolean get() = resolvedStatus.isFun
+
+// ---------------------- common classes ----------------------
+
+inline val FirClassLikeSymbol<*>.isLocal: Boolean get() = classId.isLocal
+
+inline val FirClassSymbol<*>.isInterface: Boolean
+    get() = classKind.isInterface
+
+inline val FirClassSymbol<*>.isEnumClass: Boolean
+    get() = classKind.isEnumClass
+
+// ---------------------- specific callables ----------------------
+
+inline val FirPropertyAccessorSymbol.allowsToHaveFakeOverride: Boolean get() = visibility.allowsToHaveFakeOverride
+
+inline val FirPropertySymbol.allowsToHaveFakeOverride: Boolean get() = visibility.allowsToHaveFakeOverride
+
+inline val FirNamedFunctionSymbol.isLocal: Boolean get() = visibility == Visibilities.Local
diff --git a/core/compiler.common/src/org/jetbrains/kotlin/descriptors/ClassKind.kt b/core/compiler.common/src/org/jetbrains/kotlin/descriptors/ClassKind.kt
index f06d41ff873..69a5769676e 100644
--- a/core/compiler.common/src/org/jetbrains/kotlin/descriptors/ClassKind.kt
+++ b/core/compiler.common/src/org/jetbrains/kotlin/descriptors/ClassKind.kt
@@ -26,3 +26,9 @@ enum class ClassKind {
     val isSingleton: Boolean
         get() = this == OBJECT || this == ENUM_ENTRY
 }
+
+inline val ClassKind.isInterface: Boolean
+    get() = this == ClassKind.INTERFACE
+
+inline val ClassKind.isEnumClass: Boolean
+    get() = this == ClassKind.ENUM_CLASS