[FIR] Add specific symbols for value parameters and enum entries

Make FirVariableSymbol a sealed class

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/JavaSymbolProvider.kt

@@ -382,7 +382,7 @@ class JavaSymbolProvider(
             javaField.isEnumEntry -> buildEnumEntry {
                 source = (javaField as? JavaElementImpl<*>)?.psi?.toFirPsiSourceElement()
                 moduleData = this@JavaSymbolProvider.baseModuleData
-                symbol = FirVariableSymbol(fieldId)
+                symbol = FirEnumEntrySymbol(fieldId)
                 name = fieldName
                 status = FirResolvedDeclarationStatusImpl(
                     javaField.visibility,

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/declarations/FirJavaValueParameter.kt

@@ -14,7 +14,7 @@ import org.jetbrains.kotlin.fir.declarations.impl.FirResolvedDeclarationStatusIm
 import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
 import org.jetbrains.kotlin.fir.expressions.FirExpression
 import org.jetbrains.kotlin.fir.references.FirControlFlowGraphReference
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
 import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.fir.visitors.FirTransformer
@@ -34,7 +34,7 @@ class FirJavaValueParameter @FirImplementationDetail constructor(
     override val attributes: FirDeclarationAttributes,
     override var returnTypeRef: FirTypeRef,
     override val name: Name,
-    override val symbol: FirVariableSymbol<FirValueParameter>,
+    override val symbol: FirValueParameterSymbol,
     annotationBuilder: () -> List<FirAnnotationCall>,
     override var defaultValue: FirExpression?,
     override val isVararg: Boolean,
@@ -182,7 +182,7 @@ class FirJavaValueParameterBuilder {
             attributes,
             returnTypeRef,
             name,
-            symbol = FirVariableSymbol(name),
+            symbol = FirValueParameterSymbol(name),
             annotationBuilder,
             defaultValue,
             isVararg,

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/enhancement/SignatureEnhancement.kt

@@ -26,7 +26,8 @@ import org.jetbrains.kotlin.fir.java.declarations.*
 import org.jetbrains.kotlin.fir.java.toConeKotlinTypeProbablyFlexible
 import org.jetbrains.kotlin.fir.scopes.jvm.computeJvmDescriptor
 import org.jetbrains.kotlin.fir.symbols.impl.*
-import org.jetbrains.kotlin.fir.types.*
+import org.jetbrains.kotlin.fir.types.FirResolvedTypeRef
+import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.fir.types.jvm.FirJavaTypeRef
 import org.jetbrains.kotlin.load.java.AnnotationQualifierApplicabilityType
 import org.jetbrains.kotlin.load.java.typeEnhancement.*
@@ -222,7 +223,7 @@ class FirSignatureEnhancement(
                 origin = FirDeclarationOrigin.Enhancement
                 returnTypeRef = enhancedReturnType
                 this.name = valueParameter.name
-                symbol = FirVariableSymbol(this.name)
+                symbol = FirValueParameterSymbol(this.name)
                 defaultValue = valueParameter.defaultValue
                 isCrossinline = valueParameter.isCrossinline
                 isNoinline = valueParameter.isNoinline