Make IC classes public

Fixing IC after moving it from Gradle to the compiler in commit f40a3eff20

compiler/incremental-compilation-impl/src/org/jetbrains/kotlin/incremental/ChangedFiles.kt

@@ -18,7 +18,7 @@ package org.jetbrains.kotlin.incremental
 
 import java.io.File
 
-internal sealed class ChangedFiles {
+sealed class ChangedFiles {
     class Known(val modified: List<File>, val removed: List<File>) : ChangedFiles()
     class Unknown : ChangedFiles()
 }

compiler/incremental-compilation-impl/src/org/jetbrains/kotlin/incremental/GradleIncrementalCacheImpl.kt

@@ -24,7 +24,7 @@ import org.jetbrains.kotlin.incremental.storage.StringCollectionExternalizer
 import org.jetbrains.kotlin.modules.TargetId
 import java.io.File
 
-internal class GradleIncrementalCacheImpl(
+class GradleIncrementalCacheImpl(
         targetDataRoot: File,
         targetOutputDir: File?,
         target: TargetId,

compiler/incremental-compilation-impl/src/org/jetbrains/kotlin/incremental/IncrementalCachesManager.kt

@@ -19,7 +19,7 @@ package org.jetbrains.kotlin.incremental
 import org.jetbrains.kotlin.modules.TargetId
 import java.io.File
 
-internal class IncrementalCachesManager (
+class IncrementalCachesManager (
         private val targetId: TargetId,
         private val cacheDirectory: File,
         private val outputDir: File,

compiler/incremental-compilation-impl/src/org/jetbrains/kotlin/incremental/IncrementalJvmCompilerRunner.kt

@@ -38,12 +38,11 @@ import org.jetbrains.kotlin.load.kotlin.header.KotlinClassHeader
 import org.jetbrains.kotlin.modules.TargetId
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.progress.CompilationCanceledStatus
-import java.io.EOFException
 import java.io.File
 import java.io.IOException
 import java.util.*
 
-internal fun makeIncrementally(
+fun makeIncrementally(
         cachesDir: File,
         sourceRoots: Iterable<File>,
         args: K2JVMCompilerArguments,
@@ -90,7 +89,7 @@ private inline fun enableIC(fn: ()->Unit) {
     }
 }
 
-internal class IncrementalJvmCompilerRunner(
+class IncrementalJvmCompilerRunner(
         workingDir: File,
         private val javaSourceRoots: Set<File>,
         private val cacheVersions: List<CacheVersion>,

compiler/incremental-compilation-impl/src/org/jetbrains/kotlin/incremental/multiproject/ArtifactDifferenceRegistry.kt

@@ -20,16 +20,16 @@ import org.jetbrains.kotlin.incremental.DirtyData
 import org.jetbrains.kotlin.incremental.ICReporter
 import java.io.File
 
-internal interface ArtifactDifferenceRegistry {
+interface ArtifactDifferenceRegistry {
     operator fun get(artifact: File): Iterable<ArtifactDifference>?
     fun add(artifact: File, difference: ArtifactDifference)
     fun remove(artifact: File)
     fun flush(memoryCachesOnly: Boolean)
 }
 
-internal class ArtifactDifference(val buildTS: Long, val dirtyData: DirtyData)
+class ArtifactDifference(val buildTS: Long, val dirtyData: DirtyData)
 
-internal interface ArtifactDifferenceRegistryProvider {
+interface ArtifactDifferenceRegistryProvider {
     fun <T> withRegistry(
             report: (String) -> Unit,
             fn: (ArtifactDifferenceRegistry) -> T