Moved the Path extension methods that were in Utils.kt into the internal package

client/rpc/src/smoke-test/kotlin/net/corda/kotlin/rpc/ValidateClasspathTest.kt

@@ -1,6 +1,6 @@
 package net.corda.kotlin.rpc
 
-import net.corda.core.div
+import net.corda.core.internal.div
 import org.junit.Test
 import java.io.File
 import java.nio.file.Path

core/src/main/java/net/corda/core/internal/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * WARNING: This is an internal package and not part of the public API. Do not use anything found here or in any sub-package.
+ */
+package net.corda.core.internal;

core/src/main/kotlin/net/corda/core/Utils.kt

@@ -9,6 +9,9 @@ import com.google.common.util.concurrent.*
 import net.corda.core.crypto.SecureHash
 import net.corda.core.crypto.sha256
 import net.corda.core.flows.FlowException
+import net.corda.core.internal.createDirectories
+import net.corda.core.internal.div
+import net.corda.core.internal.write
 import net.corda.core.serialization.CordaSerializable
 import org.slf4j.Logger
 import rx.Observable
@@ -17,10 +20,8 @@ import rx.subjects.PublishSubject
 import rx.subjects.UnicastSubject
 import java.io.*
 import java.math.BigDecimal
-import java.nio.charset.Charset
-import java.nio.charset.StandardCharsets.UTF_8
-import java.nio.file.*
-import java.nio.file.attribute.FileAttribute
+import java.nio.file.Files
+import java.nio.file.Path
 import java.time.Duration
 import java.time.temporal.Temporal
 import java.util.concurrent.CompletableFuture
@@ -28,7 +29,6 @@ import java.util.concurrent.ExecutionException
 import java.util.concurrent.Future
 import java.util.concurrent.TimeUnit
 import java.util.concurrent.locks.ReentrantLock
-import java.util.stream.Stream
 import java.util.zip.Deflater
 import java.util.zip.ZipEntry
 import java.util.zip.ZipInputStream
@@ -107,40 +107,6 @@ fun <A> ListenableFuture<out A>.toObservable(): Observable<A> {
     }
 }
 
-/** Allows you to write code like: Paths.get("someDir") / "subdir" / "filename" but using the Paths API to avoid platform separator problems. */
-operator fun Path.div(other: String): Path = resolve(other)
-operator fun String.div(other: String): Path = Paths.get(this) / other
-
-fun Path.createDirectory(vararg attrs: FileAttribute<*>): Path = Files.createDirectory(this, *attrs)
-fun Path.createDirectories(vararg attrs: FileAttribute<*>): Path = Files.createDirectories(this, *attrs)
-fun Path.exists(vararg options: LinkOption): Boolean = Files.exists(this, *options)
-fun Path.copyToDirectory(targetDir: Path, vararg options: CopyOption): Path {
-    require(targetDir.isDirectory()) { "$targetDir is not a directory" }
-    val targetFile = targetDir.resolve(fileName)
-    Files.copy(this, targetFile, *options)
-    return targetFile
-}
-fun Path.moveTo(target: Path, vararg options: CopyOption): Path = Files.move(this, target, *options)
-fun Path.isRegularFile(vararg options: LinkOption): Boolean = Files.isRegularFile(this, *options)
-fun Path.isDirectory(vararg options: LinkOption): Boolean = Files.isDirectory(this, *options)
-val Path.size: Long get() = Files.size(this)
-inline fun <R> Path.list(block: (Stream<Path>) -> R): R = Files.list(this).use(block)
-fun Path.deleteIfExists(): Boolean = Files.deleteIfExists(this)
-fun Path.readAll(): ByteArray = Files.readAllBytes(this)
-inline fun <R> Path.read(vararg options: OpenOption, block: (InputStream) -> R): R = Files.newInputStream(this, *options).use(block)
-inline fun Path.write(createDirs: Boolean = false, vararg options: OpenOption = emptyArray(), block: (OutputStream) -> Unit) {
-    if (createDirs) {
-        normalize().parent?.createDirectories()
-    }
-    Files.newOutputStream(this, *options).use(block)
-}
-
-inline fun <R> Path.readLines(charset: Charset = UTF_8, block: (Stream<String>) -> R): R = Files.lines(this, charset).use(block)
-fun Path.readAllLines(charset: Charset = UTF_8): List<String> = Files.readAllLines(this, charset)
-fun Path.writeLines(lines: Iterable<CharSequence>, charset: Charset = UTF_8, vararg options: OpenOption): Path = Files.write(this, lines, charset, *options)
-
-fun InputStream.copyTo(target: Path, vararg options: CopyOption): Long = Files.copy(this, target, *options)
-
 // Simple infix function to add back null safety that the JDK lacks:  timeA until timeB
 infix fun Temporal.until(endExclusive: Temporal): Duration = Duration.between(this, endExclusive)
 

core/src/main/kotlin/net/corda/core/internal/InternalUtils.kt

@@ -0,0 +1,46 @@
+package net.corda.core.internal
+
+import java.io.InputStream
+import java.io.OutputStream
+import java.nio.charset.Charset
+import java.nio.charset.StandardCharsets.UTF_8
+import java.nio.file.*
+import java.nio.file.attribute.FileAttribute
+import java.util.stream.Stream
+
+/**
+ * Allows you to write code like: Paths.get("someDir") / "subdir" / "filename" but using the Paths API to avoid platform
+ * separator problems.
+ */
+operator fun Path.div(other: String): Path = resolve(other)
+operator fun String.div(other: String): Path = Paths.get(this) / other
+
+fun Path.createDirectory(vararg attrs: FileAttribute<*>): Path = Files.createDirectory(this, *attrs)
+fun Path.createDirectories(vararg attrs: FileAttribute<*>): Path = Files.createDirectories(this, *attrs)
+fun Path.exists(vararg options: LinkOption): Boolean = Files.exists(this, *options)
+fun Path.copyToDirectory(targetDir: Path, vararg options: CopyOption): Path {
+    require(targetDir.isDirectory()) { "$targetDir is not a directory" }
+    val targetFile = targetDir.resolve(fileName)
+    Files.copy(this, targetFile, *options)
+    return targetFile
+}
+fun Path.moveTo(target: Path, vararg options: CopyOption): Path = Files.move(this, target, *options)
+fun Path.isRegularFile(vararg options: LinkOption): Boolean = Files.isRegularFile(this, *options)
+fun Path.isDirectory(vararg options: LinkOption): Boolean = Files.isDirectory(this, *options)
+inline val Path.size: Long get() = Files.size(this)
+inline fun <R> Path.list(block: (Stream<Path>) -> R): R = Files.list(this).use(block)
+fun Path.deleteIfExists(): Boolean = Files.deleteIfExists(this)
+fun Path.readAll(): ByteArray = Files.readAllBytes(this)
+inline fun <R> Path.read(vararg options: OpenOption, block: (InputStream) -> R): R = Files.newInputStream(this, *options).use(block)
+inline fun Path.write(createDirs: Boolean = false, vararg options: OpenOption = emptyArray(), block: (OutputStream) -> Unit) {
+    if (createDirs) {
+        normalize().parent?.createDirectories()
+    }
+    Files.newOutputStream(this, *options).use(block)
+}
+
+inline fun <R> Path.readLines(charset: Charset = UTF_8, block: (Stream<String>) -> R): R = Files.lines(this, charset).use(block)
+fun Path.readAllLines(charset: Charset = UTF_8): List<String> = Files.readAllLines(this, charset)
+fun Path.writeLines(lines: Iterable<CharSequence>, charset: Charset = UTF_8, vararg options: OpenOption): Path = Files.write(this, lines, charset, *options)
+
+fun InputStream.copyTo(target: Path, vararg options: CopyOption): Long = Files.copy(this, target, *options)

core/src/test/kotlin/net/corda/core/crypto/CompositeKeyTests.kt

@@ -3,7 +3,7 @@ package net.corda.core.crypto
 import net.corda.core.crypto.composite.CompositeKey
 import net.corda.core.crypto.composite.CompositeSignature
 import net.corda.core.crypto.composite.CompositeSignaturesWithKeys
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.serialization.serialize
 import net.corda.core.utilities.OpaqueBytes
 import net.corda.node.utilities.loadKeyStore

core/src/test/kotlin/net/corda/core/crypto/X509UtilitiesTest.kt

@@ -4,7 +4,7 @@ import net.corda.core.crypto.Crypto.EDDSA_ED25519_SHA512
 import net.corda.core.crypto.Crypto.generateKeyPair
 import net.corda.core.crypto.X509Utilities.DEFAULT_TLS_SIGNATURE_SCHEME
 import net.corda.core.crypto.X509Utilities.createSelfSignedCACertificate
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.toTypedArray
 import net.corda.node.services.config.createKeystoreForCordaNode
 import net.corda.node.utilities.*

node-api/src/main/kotlin/net/corda/nodeapi/ArtemisMessagingComponent.kt

@@ -6,7 +6,7 @@ import net.corda.core.messaging.MessageRecipients
 import net.corda.core.messaging.SingleMessageRecipient
 import net.corda.core.node.NodeInfo
 import net.corda.core.node.services.ServiceType
-import net.corda.core.read
+import net.corda.core.internal.read
 import net.corda.core.serialization.CordaSerializable
 import net.corda.core.serialization.SingletonSerializeAsToken
 import net.corda.core.utilities.NetworkHostAndPort

node-api/src/main/kotlin/net/corda/nodeapi/config/SSLConfiguration.kt

@@ -1,6 +1,6 @@
 package net.corda.nodeapi.config
 
-import net.corda.core.div
+import net.corda.core.internal.div
 import java.nio.file.Path
 
 interface SSLConfiguration {

node-api/src/test/kotlin/net/corda/nodeapi/config/ConfigParsingTest.kt

@@ -4,7 +4,7 @@ import com.typesafe.config.Config
 import com.typesafe.config.ConfigFactory.empty
 import com.typesafe.config.ConfigRenderOptions.defaults
 import com.typesafe.config.ConfigValueFactory
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.utilities.NetworkHostAndPort
 import net.corda.testing.getTestX509Name
 import org.assertj.core.api.Assertions.assertThat

node/src/integration-test/kotlin/net/corda/node/BootTests.kt

@@ -1,7 +1,7 @@
 package net.corda.node
 
 import co.paralleluniverse.fibers.Suspendable
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.flows.FlowLogic
 import net.corda.core.flows.StartableByRPC
 import net.corda.core.getOrThrow

node/src/integration-test/kotlin/net/corda/node/services/BFTNotaryServiceTests.kt

@@ -6,7 +6,7 @@ import net.corda.core.contracts.StateRef
 import net.corda.core.contracts.TransactionType
 import net.corda.core.crypto.SecureHash
 import net.corda.core.crypto.composite.CompositeKey
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.flows.NotaryError
 import net.corda.core.flows.NotaryException
 import net.corda.core.flows.NotaryFlow

node/src/integration-test/kotlin/net/corda/services/messaging/MQSecurityAsNodeTest.kt

@@ -1,11 +1,11 @@
 package net.corda.services.messaging
 
-import net.corda.core.copyTo
-import net.corda.core.createDirectories
+import net.corda.core.internal.copyTo
+import net.corda.core.internal.createDirectories
 import net.corda.core.crypto.CertificateType
 import net.corda.core.crypto.Crypto
 import net.corda.core.crypto.X509Utilities
-import net.corda.core.exists
+import net.corda.core.internal.exists
 import net.corda.node.utilities.*
 import net.corda.nodeapi.ArtemisMessagingComponent.Companion.NODE_USER
 import net.corda.nodeapi.ArtemisMessagingComponent.Companion.PEER_USER

node/src/main/kotlin/net/corda/node/ArgsParser.kt

@@ -2,7 +2,7 @@ package net.corda.node
 
 import joptsimple.OptionParser
 import joptsimple.util.EnumConverter
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.node.services.config.ConfigHelper
 import net.corda.node.services.config.FullNodeConfiguration
 import net.corda.nodeapi.config.parseAs

node/src/main/kotlin/net/corda/node/internal/AbstractNode.kt

@@ -14,6 +14,7 @@ import net.corda.core.crypto.composite.CompositeKey
 import net.corda.core.flows.*
 import net.corda.core.identity.Party
 import net.corda.core.identity.PartyAndCertificate
+import net.corda.core.internal.*
 import net.corda.core.messaging.CordaRPCOps
 import net.corda.core.messaging.RPCOps
 import net.corda.core.messaging.SingleMessageRecipient

node/src/main/kotlin/net/corda/node/internal/NodeStartup.kt

@@ -6,6 +6,8 @@ import joptsimple.OptionException
 import net.corda.core.*
 import net.corda.core.crypto.commonName
 import net.corda.core.crypto.orgName
+import net.corda.core.internal.createDirectories
+import net.corda.core.internal.div
 import net.corda.node.VersionInfo
 import net.corda.core.node.services.ServiceInfo
 import net.corda.core.utilities.Emoji

node/src/main/kotlin/net/corda/node/services/config/ConfigUtilities.kt

@@ -4,11 +4,11 @@ import com.typesafe.config.Config
 import com.typesafe.config.ConfigFactory
 import com.typesafe.config.ConfigParseOptions
 import com.typesafe.config.ConfigRenderOptions
-import net.corda.core.copyTo
-import net.corda.core.createDirectories
+import net.corda.core.internal.copyTo
+import net.corda.core.internal.createDirectories
 import net.corda.core.crypto.*
-import net.corda.core.div
-import net.corda.core.exists
+import net.corda.core.internal.div
+import net.corda.core.internal.exists
 import net.corda.core.utilities.loggerFor
 import net.corda.node.utilities.*
 import net.corda.nodeapi.config.SSLConfiguration

node/src/main/kotlin/net/corda/node/services/messaging/ArtemisMessagingServer.kt

@@ -7,6 +7,7 @@ import net.corda.core.*
 import net.corda.core.crypto.*
 import net.corda.core.crypto.X509Utilities.CORDA_CLIENT_TLS
 import net.corda.core.crypto.X509Utilities.CORDA_ROOT_CA
+import net.corda.core.internal.div
 import net.corda.core.node.NodeInfo
 import net.corda.core.node.services.NetworkMapCache
 import net.corda.core.node.services.NetworkMapCache.MapChange

node/src/main/kotlin/net/corda/node/services/persistence/NodeAttachmentService.kt

@@ -9,7 +9,7 @@ import com.google.common.io.CountingInputStream
 import net.corda.core.contracts.AbstractAttachment
 import net.corda.core.contracts.Attachment
 import net.corda.core.crypto.SecureHash
-import net.corda.core.isDirectory
+import net.corda.core.internal.isDirectory
 import net.corda.core.node.services.AttachmentStorage
 import net.corda.core.serialization.*
 import net.corda.core.utilities.loggerFor

node/src/main/kotlin/net/corda/node/services/transactions/BFTSMaRtConfig.kt

@@ -1,6 +1,6 @@
 package net.corda.node.services.transactions
 
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.utilities.NetworkHostAndPort
 import net.corda.core.utilities.debug
 import net.corda.core.utilities.loggerFor

node/src/main/kotlin/net/corda/node/shell/InteractiveShell.kt

@@ -13,6 +13,9 @@ import net.corda.core.*
 import net.corda.core.flows.FlowInitiator
 import net.corda.core.flows.FlowLogic
 import net.corda.core.internal.FlowStateMachine
+import net.corda.core.internal.createDirectories
+import net.corda.core.internal.div
+import net.corda.core.internal.write
 import net.corda.core.messaging.CordaRPCOps
 import net.corda.core.messaging.StateMachineUpdate
 import net.corda.core.utilities.Emoji

node/src/main/kotlin/net/corda/node/utilities/KeyStoreUtilities.kt

@@ -3,9 +3,9 @@ package net.corda.node.utilities
 import net.corda.core.crypto.CertificateAndKeyPair
 import net.corda.core.crypto.Crypto
 import net.corda.core.crypto.cert
-import net.corda.core.exists
-import net.corda.core.read
-import net.corda.core.write
+import net.corda.core.internal.exists
+import net.corda.core.internal.read
+import net.corda.core.internal.write
 import org.bouncycastle.cert.X509CertificateHolder
 import org.bouncycastle.cert.path.CertPath
 import java.io.IOException

node/src/main/kotlin/net/corda/node/utilities/registration/NetworkRegistrationHelper.kt

@@ -8,6 +8,7 @@ import net.corda.core.crypto.X509Utilities.CORDA_CLIENT_CA
 import net.corda.core.crypto.X509Utilities.CORDA_CLIENT_TLS
 import net.corda.core.crypto.X509Utilities.CORDA_ROOT_CA
 import net.corda.core.crypto.cert
+import net.corda.core.internal.*
 import net.corda.node.services.config.NodeConfiguration
 import net.corda.node.utilities.*
 import org.bouncycastle.cert.path.CertPath

node/src/smoke-test/kotlin/net/corda/node/CordappScanningNodeProcessTest.kt

@@ -1,8 +1,8 @@
 package net.corda.node
 
-import net.corda.core.copyToDirectory
-import net.corda.core.createDirectories
-import net.corda.core.div
+import net.corda.core.internal.copyToDirectory
+import net.corda.core.internal.createDirectories
+import net.corda.core.internal.div
 import net.corda.nodeapi.User
 import net.corda.smoketesting.NodeConfig
 import net.corda.smoketesting.NodeProcess

node/src/test/kotlin/net/corda/node/ArgsParserTest.kt

@@ -1,7 +1,7 @@
 package net.corda.node
 
 import joptsimple.OptionException
-import net.corda.core.div
+import net.corda.core.internal.div
 import org.assertj.core.api.Assertions.assertThat
 import org.assertj.core.api.Assertions.assertThatExceptionOfType
 import org.junit.Test

node/src/test/kotlin/net/corda/node/services/persistence/NodeAttachmentStorageTest.kt

@@ -5,11 +5,11 @@ import com.google.common.jimfs.Configuration
 import com.google.common.jimfs.Jimfs
 import net.corda.core.crypto.SecureHash
 import net.corda.core.crypto.sha256
-import net.corda.core.read
-import net.corda.core.readAll
+import net.corda.core.internal.read
+import net.corda.core.internal.readAll
 import net.corda.testing.LogHelper
-import net.corda.core.write
-import net.corda.core.writeLines
+import net.corda.core.internal.write
+import net.corda.core.internal.writeLines
 import net.corda.node.services.database.RequeryConfiguration
 import net.corda.node.services.persistence.schemas.requery.AttachmentEntity
 import net.corda.node.services.transactions.PersistentUniquenessProvider

node/src/test/kotlin/net/corda/node/services/transactions/PathManagerTests.kt

@@ -1,6 +1,6 @@
 package net.corda.node.services.transactions
 
-import net.corda.core.exists
+import net.corda.core.internal.exists
 import org.junit.Test
 import java.nio.file.Files
 import kotlin.test.assertFailsWith

node/src/test/kotlin/net/corda/node/utilities/registration/NetworkisRegistrationHelperTest.kt

@@ -4,7 +4,7 @@ import com.nhaarman.mockito_kotlin.any
 import com.nhaarman.mockito_kotlin.eq
 import com.nhaarman.mockito_kotlin.mock
 import net.corda.core.crypto.*
-import net.corda.core.exists
+import net.corda.core.internal.exists
 import net.corda.core.toTypedArray
 import net.corda.node.utilities.loadKeyStore
 import net.corda.testing.ALICE

samples/attachment-demo/src/main/kotlin/net/corda/attachmentdemo/Main.kt

@@ -1,6 +1,6 @@
 package net.corda.attachmentdemo
 
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.node.services.ServiceInfo
 import net.corda.testing.DUMMY_BANK_A
 import net.corda.testing.DUMMY_BANK_B

samples/notary-demo/src/main/kotlin/net/corda/notarydemo/BFTNotaryCordform.kt

@@ -1,6 +1,6 @@
 package net.corda.notarydemo
 
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.node.services.ServiceInfo
 import net.corda.testing.ALICE
 import net.corda.testing.BOB

samples/notary-demo/src/main/kotlin/net/corda/notarydemo/RaftNotaryCordform.kt

@@ -1,7 +1,7 @@
 package net.corda.notarydemo
 
 import net.corda.core.crypto.appendToCommonName
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.node.services.ServiceInfo
 import net.corda.testing.ALICE
 import net.corda.testing.BOB

samples/notary-demo/src/main/kotlin/net/corda/notarydemo/SingleNotaryCordform.kt

@@ -1,6 +1,6 @@
 package net.corda.notarydemo
 
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.node.services.ServiceInfo
 import net.corda.testing.ALICE
 import net.corda.testing.BOB

samples/simm-valuation-demo/src/main/kotlin/net/corda/vega/analytics/example/OGSwapPricingCcpExample.kt

@@ -32,8 +32,8 @@ import com.opengamma.strata.product.common.BuySell
 import com.opengamma.strata.product.swap.type.FixedIborSwapConventions
 import com.opengamma.strata.report.ReportCalculationResults
 import com.opengamma.strata.report.trade.TradeReport
-import net.corda.core.div
-import net.corda.core.exists
+import net.corda.core.internal.div
+import net.corda.core.internal.exists
 import java.nio.file.Path
 import java.nio.file.Paths
 import java.time.LocalDate

samples/trader-demo/src/test/kotlin/net/corda/traderdemo/Main.kt

@@ -1,6 +1,6 @@
 package net.corda.traderdemo
 
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.node.services.ServiceInfo
 import net.corda.testing.DUMMY_BANK_A
 import net.corda.testing.DUMMY_BANK_B

smoke-test-utils/src/main/kotlin/net/corda/smoketesting/NodeProcess.kt

@@ -2,8 +2,8 @@ package net.corda.smoketesting
 
 import net.corda.client.rpc.CordaRPCClient
 import net.corda.client.rpc.CordaRPCConnection
-import net.corda.core.createDirectories
-import net.corda.core.div
+import net.corda.core.internal.createDirectories
+import net.corda.core.internal.div
 import net.corda.core.utilities.NetworkHostAndPort
 import net.corda.core.utilities.loggerFor
 import java.nio.file.Path

test-utils/src/integration-test/kotlin/net/corda/testing/driver/DriverTests.kt

@@ -1,11 +1,11 @@
 package net.corda.testing.driver
 
 import com.google.common.util.concurrent.ListenableFuture
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.getOrThrow
-import net.corda.core.list
+import net.corda.core.internal.list
 import net.corda.core.node.services.ServiceInfo
-import net.corda.core.readLines
+import net.corda.core.internal.readLines
 import net.corda.testing.DUMMY_BANK_A
 import net.corda.testing.DUMMY_NOTARY
 import net.corda.testing.DUMMY_REGULATOR

test-utils/src/main/kotlin/net/corda/testing/ProjectStructure.kt

@@ -1,7 +1,7 @@
 package net.corda.testing
 
-import net.corda.core.div
-import net.corda.core.isDirectory
+import net.corda.core.internal.div
+import net.corda.core.internal.isDirectory
 import java.nio.file.Path
 import java.nio.file.Paths
 

test-utils/src/main/kotlin/net/corda/testing/RPCDriver.kt

@@ -7,7 +7,7 @@ import net.corda.client.mock.int
 import net.corda.client.mock.string
 import net.corda.client.rpc.internal.RPCClient
 import net.corda.client.rpc.internal.RPCClientConfiguration
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.map
 import net.corda.core.messaging.RPCOps
 import net.corda.core.utilities.NetworkHostAndPort

test-utils/src/main/kotlin/net/corda/testing/driver/Driver.kt

@@ -15,6 +15,7 @@ import net.corda.core.crypto.X509Utilities
 import net.corda.core.crypto.appendToCommonName
 import net.corda.core.crypto.commonName
 import net.corda.core.identity.Party
+import net.corda.core.internal.div
 import net.corda.core.messaging.CordaRPCOps
 import net.corda.core.node.NodeInfo
 import net.corda.core.node.services.ServiceInfo

test-utils/src/main/kotlin/net/corda/testing/driver/ProcessUtilities.kt

@@ -1,7 +1,7 @@
 package net.corda.testing.driver
 
-import net.corda.core.div
-import net.corda.core.exists
+import net.corda.core.internal.div
+import net.corda.core.internal.exists
 import java.io.File.pathSeparator
 import java.nio.file.Path
 

test-utils/src/main/kotlin/net/corda/testing/node/MockNode.kt

@@ -11,6 +11,9 @@ import net.corda.core.crypto.cert
 import net.corda.core.crypto.entropyToKeyPair
 import net.corda.core.crypto.random63BitValue
 import net.corda.core.identity.PartyAndCertificate
+import net.corda.core.internal.createDirectories
+import net.corda.core.internal.createDirectory
+import net.corda.core.internal.div
 import net.corda.core.messaging.MessageRecipients
 import net.corda.core.messaging.RPCOps
 import net.corda.core.messaging.SingleMessageRecipient

test-utils/src/main/kotlin/net/corda/testing/node/NodeBasedTest.kt

@@ -7,6 +7,8 @@ import net.corda.core.*
 import net.corda.core.crypto.X509Utilities
 import net.corda.core.crypto.appendToCommonName
 import net.corda.core.crypto.commonName
+import net.corda.core.internal.createDirectories
+import net.corda.core.internal.div
 import net.corda.core.node.services.ServiceInfo
 import net.corda.core.node.services.ServiceType
 import net.corda.core.utilities.WHITESPACE

tools/demobench/src/main/kotlin/net/corda/demobench/explorer/Explorer.kt

@@ -1,8 +1,8 @@
 package net.corda.demobench.explorer
 
-import net.corda.core.createDirectories
-import net.corda.core.div
-import net.corda.core.list
+import net.corda.core.internal.createDirectories
+import net.corda.core.internal.div
+import net.corda.core.internal.list
 import net.corda.core.utilities.loggerFor
 import net.corda.demobench.model.JVMConfig
 import net.corda.demobench.model.NodeConfig

tools/demobench/src/main/kotlin/net/corda/demobench/views/NodeTabView.kt

@@ -15,14 +15,14 @@ import javafx.scene.layout.Priority
 import javafx.stage.FileChooser
 import javafx.util.StringConverter
 import net.corda.core.crypto.commonName
-import net.corda.core.div
-import net.corda.core.exists
+import net.corda.core.internal.div
+import net.corda.core.internal.exists
 import net.corda.core.node.CityDatabase
 import net.corda.core.node.WorldMapLocation
-import net.corda.core.readAllLines
+import net.corda.core.internal.readAllLines
 import net.corda.core.utilities.normaliseLegalName
 import net.corda.core.utilities.validateLegalName
-import net.corda.core.writeLines
+import net.corda.core.internal.writeLines
 import net.corda.demobench.model.*
 import net.corda.demobench.ui.CloseableTab
 import org.controlsfx.control.CheckListView

tools/demobench/src/test/kotlin/net/corda/demobench/model/NodeConfigTest.kt

@@ -5,7 +5,7 @@ import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.databind.SerializationFeature
 import com.typesafe.config.ConfigFactory
 import com.typesafe.config.ConfigValueFactory
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.utilities.NetworkHostAndPort
 import net.corda.testing.DUMMY_NOTARY
 import net.corda.node.internal.NetworkMapInfo

tools/explorer/src/main/kotlin/net/corda/explorer/model/SettingsModel.kt

@@ -5,9 +5,9 @@ import javafx.beans.Observable
 import javafx.beans.property.ObjectProperty
 import javafx.beans.property.SimpleObjectProperty
 import net.corda.core.contracts.currency
-import net.corda.core.createDirectories
-import net.corda.core.div
-import net.corda.core.exists
+import net.corda.core.internal.createDirectories
+import net.corda.core.internal.div
+import net.corda.core.internal.exists
 import tornadofx.*
 import java.nio.file.Files
 import java.nio.file.Path

tools/explorer/src/test/kotlin/net/corda/explorer/model/SettingsModelTest.kt

@@ -1,6 +1,6 @@
 package net.corda.explorer.model
 
-import net.corda.core.div
+import net.corda.core.internal.div
 import org.junit.Rule
 import org.junit.Test
 import org.junit.rules.TemporaryFolder

verifier/src/integration-test/kotlin/net/corda/verifier/VerifierDriver.kt

@@ -8,7 +8,7 @@ import com.typesafe.config.Config
 import com.typesafe.config.ConfigFactory
 import net.corda.core.crypto.X509Utilities
 import net.corda.core.crypto.commonName
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.map
 import net.corda.core.crypto.random63BitValue
 import net.corda.core.transactions.LedgerTransaction

verifier/src/main/kotlin/net/corda/verifier/Verifier.kt

@@ -3,7 +3,7 @@ package net.corda.verifier
 import com.typesafe.config.Config
 import com.typesafe.config.ConfigFactory
 import com.typesafe.config.ConfigParseOptions
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.utilities.NetworkHostAndPort
 import net.corda.core.utilities.debug
 import net.corda.core.utilities.loggerFor

webserver/src/main/kotlin/net/corda/webserver/WebArgsParser.kt

@@ -6,7 +6,7 @@ import com.typesafe.config.ConfigParseOptions
 import com.typesafe.config.ConfigRenderOptions
 import joptsimple.OptionParser
 import joptsimple.util.EnumConverter
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.utilities.loggerFor
 import org.slf4j.event.Level
 import java.io.PrintStream

webserver/src/main/kotlin/net/corda/webserver/WebServer.kt

@@ -3,7 +3,7 @@
 package net.corda.webserver
 
 import com.typesafe.config.ConfigException
-import net.corda.core.div
+import net.corda.core.internal.div
 import net.corda.core.rootCause
 import net.corda.webserver.internal.NodeWebServer
 import org.slf4j.LoggerFactory