FIR IDE: Add parameter's and type's properties required for completion

idea/idea-frontend-api/src/org/jetbrains/kotlin/idea/frontend/api/symbols/KtVariableLikeSymbol.kt

@@ -13,7 +13,9 @@ abstract class KtEnumEntrySymbol : KtVariableLikeSymbol() {
     final override val symbolKind: KtSymbolKind get() = KtSymbolKind.MEMBER
 }
 
-abstract class KtParameterSymbol : KtVariableLikeSymbol()
+abstract class KtParameterSymbol : KtVariableLikeSymbol() {
+    abstract val hasDefaultValue: Boolean
+}
 
 abstract class KtVariableSymbol : KtVariableLikeSymbol() {
     abstract val isVal: Boolean

idea/idea-frontend-api/src/org/jetbrains/kotlin/idea/frontend/api/types/KtType.kt

@@ -16,6 +16,8 @@ interface KtType : ValidityTokenOwner {
     fun isEqualTo(other: KtType): Boolean
     fun isSubTypeOf(superType: KtType): Boolean
 
+    val isBuiltInFunctionalType: Boolean
+
     fun asStringForDebugging(): String
 }
 

idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/symbols/KtFirConstructorValueParameterSymbol.kt

@@ -9,12 +9,13 @@ import com.intellij.psi.PsiElement
 import org.jetbrains.kotlin.fir.declarations.impl.FirValueParameterImpl
 import org.jetbrains.kotlin.idea.fir.findPsi
 import org.jetbrains.kotlin.idea.frontend.api.ValidityToken
-import org.jetbrains.kotlin.idea.frontend.api.ValidityTokenOwner
-import org.jetbrains.kotlin.idea.frontend.api.types.KtType
 import org.jetbrains.kotlin.idea.frontend.api.fir.KtSymbolByFirBuilder
 import org.jetbrains.kotlin.idea.frontend.api.fir.utils.cached
 import org.jetbrains.kotlin.idea.frontend.api.fir.utils.weakRef
-import org.jetbrains.kotlin.idea.frontend.api.symbols.*
+import org.jetbrains.kotlin.idea.frontend.api.symbols.KtConstructorParameterSymbol
+import org.jetbrains.kotlin.idea.frontend.api.symbols.KtConstructorParameterSymbolKind
+import org.jetbrains.kotlin.idea.frontend.api.symbols.KtSymbolKind
+import org.jetbrains.kotlin.idea.frontend.api.types.KtType
 import org.jetbrains.kotlin.idea.frontend.api.withValidityAssertion
 import org.jetbrains.kotlin.name.Name
 
@@ -43,4 +44,6 @@ internal class KtFirConstructorValueParameterSymbol(
                 else -> KtConstructorParameterSymbolKind.NON_PROPERTY
             }
         }
+
+    override val hasDefaultValue: Boolean get() = withValidityAssertion { fir.defaultValue != null }
 }

idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/symbols/KtFirFunctionValueParameterSymbol.kt

@@ -9,13 +9,12 @@ import com.intellij.psi.PsiElement
 import org.jetbrains.kotlin.fir.declarations.impl.FirValueParameterImpl
 import org.jetbrains.kotlin.idea.fir.findPsi
 import org.jetbrains.kotlin.idea.frontend.api.ValidityToken
-import org.jetbrains.kotlin.idea.frontend.api.ValidityTokenOwner
-import org.jetbrains.kotlin.idea.frontend.api.types.KtType
 import org.jetbrains.kotlin.idea.frontend.api.fir.KtSymbolByFirBuilder
 import org.jetbrains.kotlin.idea.frontend.api.fir.utils.cached
 import org.jetbrains.kotlin.idea.frontend.api.fir.utils.weakRef
 import org.jetbrains.kotlin.idea.frontend.api.symbols.KtFunctionParameterSymbol
 import org.jetbrains.kotlin.idea.frontend.api.symbols.KtSymbolKind
+import org.jetbrains.kotlin.idea.frontend.api.types.KtType
 import org.jetbrains.kotlin.idea.frontend.api.withValidityAssertion
 import org.jetbrains.kotlin.name.Name
 
@@ -31,4 +30,5 @@ internal class KtFirFunctionValueParameterSymbol(
     override val isVararg: Boolean get() = withValidityAssertion { fir.isVararg }
     override val type: KtType by cached { builder.buildKtType(fir.returnTypeRef) }
     override val symbolKind: KtSymbolKind get() = KtSymbolKind.LOCAL
+    override val hasDefaultValue: Boolean get() = withValidityAssertion { fir.defaultValue != null }
 }

idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/types/FirKtType.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.idea.frontend.api.fir.types
 
+import org.jetbrains.kotlin.fir.resolve.inference.isBuiltinFunctionalType
 import org.jetbrains.kotlin.fir.types.*
 import org.jetbrains.kotlin.fir.types.impl.ConeClassLikeTypeImpl
 import org.jetbrains.kotlin.idea.frontend.api.*
@@ -45,6 +46,8 @@ internal interface KtFirType : KtType, ValidityTokenOwner {
         )
     }
 
+    override val isBuiltInFunctionalType: Boolean
+        get() = coneType.isBuiltinFunctionalType(typeCheckerContext.session)
 }
 
 internal class KtFirClassType(