Rename kt-reference module to kt-references.

compiler/psi/src/org/jetbrains/kotlin/idea/references/KotlinPsiReferenceProvider.kt

@@ -1,50 +0,0 @@
-/*
- * 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.idea.references
-
-import com.intellij.openapi.components.ServiceManager
-import com.intellij.psi.PsiElement
-import com.intellij.psi.PsiReference
-import com.intellij.util.containers.MultiMap
-import org.jetbrains.kotlin.psi.KtElement
-
-interface KotlinPsiReferenceProvider {
-    fun getReferencesByElement(element: PsiElement): Array<PsiReference>
-}
-
-interface KotlinReferenceProviderContributor {
-    fun registerReferenceProviders(registrar: KotlinPsiReferenceRegistrar)
-
-    companion object {
-        fun getInstance(): KotlinReferenceProviderContributor =
-            ServiceManager.getService(KotlinReferenceProviderContributor::class.java)
-    }
-}
-
-
-class KotlinPsiReferenceRegistrar {
-    val providers: MultiMap<Class<out PsiElement>, KotlinPsiReferenceProvider> = MultiMap.create()
-
-    inline fun <reified E : KtElement> registerProvider(crossinline factory: (E) -> PsiReference?) {
-        registerMultiProvider<E> { element ->
-            factory(element)?.let { reference -> arrayOf(reference) } ?: PsiReference.EMPTY_ARRAY
-        }
-    }
-
-    inline fun <reified E : KtElement>  registerMultiProvider(crossinline factory: (E) -> Array<PsiReference>) {
-        val provider: KotlinPsiReferenceProvider = object : KotlinPsiReferenceProvider {
-            override fun getReferencesByElement(element: PsiElement): Array<PsiReference> {
-                return factory(element as E)
-            }
-        }
-
-        registerMultiProvider(E::class.java, provider)
-    }
-
-    fun registerMultiProvider(klass: Class<out PsiElement>, provider: KotlinPsiReferenceProvider) {
-        providers.putValue(klass, provider)
-    }
-}