Fix "operator modifier required" errors in project

idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/stubBuilder/ClsStubBuilderContext.kt

@@ -45,7 +45,7 @@ class ClsStubBuilderComponents(
 }
 
 interface TypeParameters {
-    fun get(id: Int): Name
+    operator fun get(id: Int): Name
 
     fun child(nameResolver: NameResolver, innerTypeParameters: List<ProtoBuf.TypeParameter>)
             = TypeParametersImpl(nameResolver, innerTypeParameters, parent = this)

idea/src/org/jetbrains/kotlin/idea/quickfix/createFromUsage/callableBuilder/typeUtils.kt

@@ -42,7 +42,7 @@ import org.jetbrains.kotlin.types.checker.KotlinTypeChecker
 import org.jetbrains.kotlin.types.typeUtil.makeNotNullable
 import java.util.*
 
-internal fun KotlinType.contains(inner: KotlinType): Boolean {
+internal operator fun KotlinType.contains(inner: KotlinType): Boolean {
     return KotlinTypeChecker.DEFAULT.equalTypes(this, inner) || getArguments().any { inner in it.getType() }
 }
 

idea/src/org/jetbrains/kotlin/idea/util/psi/patternMatching/KotlinPsiRange.kt

@@ -55,7 +55,7 @@ public interface KotlinPsiRange {
 
     val empty: Boolean get() = this is Empty
 
-    fun contains(element: PsiElement): Boolean = getTextRange().contains(element.getTextRange() ?: TextRange.EMPTY_RANGE)
+    operator fun contains(element: PsiElement): Boolean = getTextRange().contains(element.getTextRange() ?: TextRange.EMPTY_RANGE)
 
     fun match(scope: PsiElement, unifier: KotlinPsiUnifier): List<UnificationResult.Matched> {
         val elements = elements.filter(SIGNIFICANT_FILTER)