style: Eliminate use of wildcard imports

This change updates the repository to remove the use of wildcard imports
everywhere. Wildcard imports are not allowed by default by Ktlint as
well as Google's Java style guide.

33 files changed, 132 insertions, 47 deletions

diff --git a/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/provisioner/Provisioner.kt b/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/provisioner/Provisioner.kt
index 3a1c3144..7fe3a2eb 100644
--- a/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/provisioner/Provisioner.kt
+++ b/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/provisioner/Provisioner.kt
@@ -26,8 +26,8 @@ import org.opendc.experiments.MutableServiceRegistry
 import org.opendc.experiments.ServiceRegistry
 import org.opendc.experiments.internal.ServiceRegistryImpl
 import java.time.Clock
-import java.util.*
 import java.util.ArrayDeque
+import java.util.SplittableRandom
 import kotlin.coroutines.CoroutineContext
 
 /**
diff --git a/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/provisioner/ProvisioningContext.kt b/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/provisioner/ProvisioningContext.kt
index 58f6844d..73897315 100644
--- a/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/provisioner/ProvisioningContext.kt
+++ b/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/provisioner/ProvisioningContext.kt
@@ -24,7 +24,7 @@ package org.opendc.experiments.provisioner
 
 import org.opendc.experiments.MutableServiceRegistry
 import java.time.Clock
-import java.util.*
+import java.util.SplittableRandom
 import kotlin.coroutines.CoroutineContext
 
 /**
diff --git a/opendc-experiments/opendc-experiments-base/src/test/kotlin/org/opendc/experiments/ServiceRegistryTest.kt b/opendc-experiments/opendc-experiments-base/src/test/kotlin/org/opendc/experiments/ServiceRegistryTest.kt
index f69c07c1..67dbaba9 100644
--- a/opendc-experiments/opendc-experiments-base/src/test/kotlin/org/opendc/experiments/ServiceRegistryTest.kt
+++ b/opendc-experiments/opendc-experiments-base/src/test/kotlin/org/opendc/experiments/ServiceRegistryTest.kt
@@ -22,7 +22,10 @@
 
 package org.opendc.experiments
 
-import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.Assertions.assertAll
+import org.junit.jupiter.api.Assertions.assertDoesNotThrow
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertNull
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.assertThrows
 import org.opendc.experiments.internal.ServiceRegistryImpl
diff --git a/opendc-experiments/opendc-experiments-capelin/src/jmh/kotlin/org/opendc/experiments/capelin/CapelinBenchmarks.kt b/opendc-experiments/opendc-experiments-capelin/src/jmh/kotlin/org/opendc/experiments/capelin/CapelinBenchmarks.kt
index ef3deeb2..3e3d758d 100644
--- a/opendc-experiments/opendc-experiments-capelin/src/jmh/kotlin/org/opendc/experiments/capelin/CapelinBenchmarks.kt
+++ b/opendc-experiments/opendc-experiments-capelin/src/jmh/kotlin/org/opendc/experiments/capelin/CapelinBenchmarks.kt
@@ -29,13 +29,25 @@ import org.opendc.compute.service.scheduler.filters.RamFilter
 import org.opendc.compute.service.scheduler.filters.VCpuFilter
 import org.opendc.compute.service.scheduler.weights.CoreRamWeigher
 import org.opendc.experiments.capelin.topology.clusterTopology
-import org.opendc.experiments.compute.*
+import org.opendc.experiments.compute.ComputeWorkloadLoader
+import org.opendc.experiments.compute.VirtualMachine
+import org.opendc.experiments.compute.replay
+import org.opendc.experiments.compute.setupComputeService
+import org.opendc.experiments.compute.setupHosts
 import org.opendc.experiments.compute.topology.HostSpec
+import org.opendc.experiments.compute.trace
 import org.opendc.experiments.provisioner.Provisioner
 import org.opendc.simulator.kotlin.runSimulation
-import org.openjdk.jmh.annotations.*
+import org.openjdk.jmh.annotations.Benchmark
+import org.openjdk.jmh.annotations.Fork
+import org.openjdk.jmh.annotations.Measurement
+import org.openjdk.jmh.annotations.Param
+import org.openjdk.jmh.annotations.Scope
+import org.openjdk.jmh.annotations.Setup
+import org.openjdk.jmh.annotations.State
+import org.openjdk.jmh.annotations.Warmup
 import java.io.File
-import java.util.*
+import java.util.Random
 import java.util.concurrent.TimeUnit
 
 /**
diff --git a/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/CapelinCli.kt b/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/CapelinCli.kt
index 875ae0dc..35a51de5 100644
--- a/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/CapelinCli.kt
+++ b/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/CapelinCli.kt
@@ -25,7 +25,11 @@ package org.opendc.experiments.capelin
 
 import com.github.ajalt.clikt.core.CliktCommand
 import com.github.ajalt.clikt.parameters.arguments.argument
-import com.github.ajalt.clikt.parameters.options.*
+import com.github.ajalt.clikt.parameters.options.associate
+import com.github.ajalt.clikt.parameters.options.default
+import com.github.ajalt.clikt.parameters.options.defaultLazy
+import com.github.ajalt.clikt.parameters.options.flag
+import com.github.ajalt.clikt.parameters.options.option
 import com.github.ajalt.clikt.parameters.types.choice
 import com.github.ajalt.clikt.parameters.types.file
 import com.github.ajalt.clikt.parameters.types.int
@@ -33,7 +37,12 @@ import com.github.ajalt.clikt.parameters.types.long
 import me.tongfei.progressbar.ProgressBarBuilder
 import me.tongfei.progressbar.ProgressBarStyle
 import org.opendc.experiments.capelin.model.Scenario
-import org.opendc.experiments.capelin.portfolio.*
+import org.opendc.experiments.capelin.portfolio.CompositeWorkloadPortfolio
+import org.opendc.experiments.capelin.portfolio.HorVerPortfolio
+import org.opendc.experiments.capelin.portfolio.MoreHpcPortfolio
+import org.opendc.experiments.capelin.portfolio.MoreVelocityPortfolio
+import org.opendc.experiments.capelin.portfolio.OperationalPhenomenaPortfolio
+import org.opendc.experiments.capelin.portfolio.TestPortfolio
 import java.io.File
 import java.util.concurrent.ForkJoinPool
 import java.util.stream.LongStream
diff --git a/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/CapelinRunner.kt b/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/CapelinRunner.kt
index 7461038d..44079cc2 100644
--- a/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/CapelinRunner.kt
+++ b/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/CapelinRunner.kt
@@ -25,13 +25,19 @@ package org.opendc.experiments.capelin
 import org.opendc.compute.service.ComputeService
 import org.opendc.experiments.capelin.model.Scenario
 import org.opendc.experiments.capelin.topology.clusterTopology
-import org.opendc.experiments.compute.*
+import org.opendc.experiments.compute.ComputeWorkloadLoader
+import org.opendc.experiments.compute.createComputeScheduler
 import org.opendc.experiments.compute.export.parquet.ParquetComputeMonitor
+import org.opendc.experiments.compute.grid5000
+import org.opendc.experiments.compute.registerComputeMonitor
+import org.opendc.experiments.compute.replay
+import org.opendc.experiments.compute.setupComputeService
+import org.opendc.experiments.compute.setupHosts
 import org.opendc.experiments.provisioner.Provisioner
 import org.opendc.simulator.kotlin.runSimulation
 import java.io.File
 import java.time.Duration
-import java.util.*
+import java.util.Random
 import kotlin.math.roundToLong
 
 /**
diff --git a/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/topology/TopologyFactories.kt b/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/topology/TopologyFactories.kt
index 054adfcd..c78925a1 100644
--- a/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/topology/TopologyFactories.kt
+++ b/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/topology/TopologyFactories.kt
@@ -33,7 +33,8 @@ import org.opendc.simulator.compute.power.PowerModel
 import org.opendc.simulator.compute.power.SimplePowerDriver
 import java.io.File
 import java.io.InputStream
-import java.util.*
+import java.util.Random
+import java.util.UUID
 import kotlin.math.roundToLong
 
 /**
diff --git a/opendc-experiments/opendc-experiments-capelin/src/test/kotlin/org/opendc/experiments/capelin/CapelinIntegrationTest.kt b/opendc-experiments/opendc-experiments-capelin/src/test/kotlin/org/opendc/experiments/capelin/CapelinIntegrationTest.kt
index 238a5f87..b39f68fd 100644
--- a/opendc-experiments/opendc-experiments-capelin/src/test/kotlin/org/opendc/experiments/capelin/CapelinIntegrationTest.kt
+++ b/opendc-experiments/opendc-experiments-capelin/src/test/kotlin/org/opendc/experiments/capelin/CapelinIntegrationTest.kt
@@ -33,16 +33,24 @@ import org.opendc.compute.service.scheduler.filters.RamFilter
 import org.opendc.compute.service.scheduler.filters.VCpuFilter
 import org.opendc.compute.service.scheduler.weights.CoreRamWeigher
 import org.opendc.experiments.capelin.topology.clusterTopology
-import org.opendc.experiments.compute.*
+import org.opendc.experiments.compute.ComputeWorkloadLoader
+import org.opendc.experiments.compute.VirtualMachine
+import org.opendc.experiments.compute.grid5000
+import org.opendc.experiments.compute.registerComputeMonitor
+import org.opendc.experiments.compute.replay
+import org.opendc.experiments.compute.sampleByLoad
+import org.opendc.experiments.compute.setupComputeService
+import org.opendc.experiments.compute.setupHosts
 import org.opendc.experiments.compute.telemetry.ComputeMonitor
 import org.opendc.experiments.compute.telemetry.table.HostTableReader
 import org.opendc.experiments.compute.telemetry.table.ServiceTableReader
 import org.opendc.experiments.compute.topology.HostSpec
+import org.opendc.experiments.compute.trace
 import org.opendc.experiments.provisioner.Provisioner
 import org.opendc.simulator.kotlin.runSimulation
 import java.io.File
 import java.time.Duration
-import java.util.*
+import java.util.Random
 
 /**
  * An integration test suite for the Capelin experiments.
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/ComputeSchedulers.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/ComputeSchedulers.kt
index 1731a4ac..9ed2e564 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/ComputeSchedulers.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/ComputeSchedulers.kt
@@ -33,7 +33,7 @@ import org.opendc.compute.service.scheduler.weights.CoreRamWeigher
 import org.opendc.compute.service.scheduler.weights.InstanceCountWeigher
 import org.opendc.compute.service.scheduler.weights.RamWeigher
 import org.opendc.compute.service.scheduler.weights.VCpuWeigher
-import java.util.*
+import java.util.Random
 
 /**
  * Create a [ComputeScheduler] for the experiment.
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/ComputeWorkload.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/ComputeWorkload.kt
index 3db980ca..2200880d 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/ComputeWorkload.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/ComputeWorkload.kt
@@ -22,7 +22,7 @@
 
 package org.opendc.experiments.compute
 
-import java.util.*
+import java.util.Random
 
 /**
  * An interface that describes how a workload is resolved.
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/ComputeWorkloadLoader.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/ComputeWorkloadLoader.kt
index f92e10e3..daf6b505 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/ComputeWorkloadLoader.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/ComputeWorkloadLoader.kt
@@ -25,11 +25,25 @@ package org.opendc.experiments.compute
 import mu.KotlinLogging
 import org.opendc.simulator.compute.kernel.interference.VmInterferenceModel
 import org.opendc.simulator.compute.workload.SimTrace
-import org.opendc.trace.*
-import org.opendc.trace.conv.*
+import org.opendc.trace.Trace
+import org.opendc.trace.conv.INTERFERENCE_GROUP_MEMBERS
+import org.opendc.trace.conv.INTERFERENCE_GROUP_SCORE
+import org.opendc.trace.conv.INTERFERENCE_GROUP_TARGET
+import org.opendc.trace.conv.RESOURCE_CPU_CAPACITY
+import org.opendc.trace.conv.RESOURCE_CPU_COUNT
+import org.opendc.trace.conv.RESOURCE_ID
+import org.opendc.trace.conv.RESOURCE_MEM_CAPACITY
+import org.opendc.trace.conv.RESOURCE_START_TIME
+import org.opendc.trace.conv.RESOURCE_STATE_CPU_USAGE
+import org.opendc.trace.conv.RESOURCE_STATE_DURATION
+import org.opendc.trace.conv.RESOURCE_STATE_TIMESTAMP
+import org.opendc.trace.conv.RESOURCE_STOP_TIME
+import org.opendc.trace.conv.TABLE_INTERFERENCE_GROUPS
+import org.opendc.trace.conv.TABLE_RESOURCES
+import org.opendc.trace.conv.TABLE_RESOURCE_STATES
 import java.io.File
 import java.lang.ref.SoftReference
-import java.util.*
+import java.util.UUID
 import java.util.concurrent.ConcurrentHashMap
 import kotlin.math.max
 import kotlin.math.roundToLong
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/FailureModel.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/FailureModel.kt
index f96b7e16..e0d6fdc1 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/FailureModel.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/FailureModel.kt
@@ -25,7 +25,7 @@ package org.opendc.experiments.compute
 import org.opendc.compute.service.ComputeService
 import org.opendc.compute.simulator.failure.HostFaultInjector
 import java.time.Clock
-import java.util.*
+import java.util.Random
 import kotlin.coroutines.CoroutineContext
 
 /**
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/FailureModels.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/FailureModels.kt
index 00bf44a1..7480e116 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/FailureModels.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/FailureModels.kt
@@ -32,7 +32,7 @@ import org.opendc.compute.simulator.failure.StartStopHostFault
 import org.opendc.compute.simulator.failure.StochasticVictimSelector
 import java.time.Clock
 import java.time.Duration
-import java.util.*
+import java.util.Random
 import kotlin.coroutines.CoroutineContext
 import kotlin.math.ln
 
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/HostsProvisioningStep.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/HostsProvisioningStep.kt
index 28c9bc01..9fa8d00c 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/HostsProvisioningStep.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/HostsProvisioningStep.kt
@@ -30,7 +30,7 @@ import org.opendc.experiments.provisioner.ProvisioningStep
 import org.opendc.simulator.compute.SimBareMetalMachine
 import org.opendc.simulator.compute.kernel.SimHypervisor
 import org.opendc.simulator.flow.FlowEngine
-import java.util.*
+import java.util.SplittableRandom
 
 /**
  * A [ProvisioningStep] that provisions a list of hosts for a [ComputeService].
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/TraceHelpers.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/TraceHelpers.kt
index 0df9305a..9562baf5 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/TraceHelpers.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/TraceHelpers.kt
@@ -23,11 +23,14 @@
 @file:JvmName("TraceHelpers")
 package org.opendc.experiments.compute
 
-import kotlinx.coroutines.*
+import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.yield
 import org.opendc.compute.service.ComputeService
 import org.opendc.simulator.compute.workload.SimTraceWorkload
 import java.time.Clock
-import java.util.*
+import java.util.Random
 import kotlin.coroutines.coroutineContext
 import kotlin.math.max
 
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/VirtualMachine.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/VirtualMachine.kt
index 3ed497a0..509af59f 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/VirtualMachine.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/VirtualMachine.kt
@@ -25,7 +25,7 @@ package org.opendc.experiments.compute
 import org.opendc.simulator.compute.kernel.interference.VmInterferenceProfile
 import org.opendc.simulator.compute.workload.SimTrace
 import java.time.Instant
-import java.util.*
+import java.util.UUID
 
 /**
  * A virtual machine workload.
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/export/parquet/ParquetHostDataWriter.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/export/parquet/ParquetHostDataWriter.kt
index cf0a3bf2..df0163d2 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/export/parquet/ParquetHostDataWriter.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/export/parquet/ParquetHostDataWriter.kt
@@ -26,11 +26,14 @@ import org.apache.hadoop.conf.Configuration
 import org.apache.parquet.hadoop.ParquetWriter
 import org.apache.parquet.hadoop.api.WriteSupport
 import org.apache.parquet.io.api.RecordConsumer
-import org.apache.parquet.schema.*
+import org.apache.parquet.schema.LogicalTypeAnnotation
+import org.apache.parquet.schema.MessageType
+import org.apache.parquet.schema.PrimitiveType
+import org.apache.parquet.schema.Types
 import org.opendc.experiments.compute.telemetry.table.HostTableReader
 import org.opendc.trace.util.parquet.LocalParquetWriter
 import java.io.File
-import java.util.*
+import java.util.UUID
 
 /**
  * A Parquet event writer for [HostTableReader]s.
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/export/parquet/ParquetServerDataWriter.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/export/parquet/ParquetServerDataWriter.kt
index 1622289e..99ef83c6 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/export/parquet/ParquetServerDataWriter.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/export/parquet/ParquetServerDataWriter.kt
@@ -26,11 +26,14 @@ import org.apache.hadoop.conf.Configuration
 import org.apache.parquet.hadoop.ParquetWriter
 import org.apache.parquet.hadoop.api.WriteSupport
 import org.apache.parquet.io.api.RecordConsumer
-import org.apache.parquet.schema.*
+import org.apache.parquet.schema.LogicalTypeAnnotation
+import org.apache.parquet.schema.MessageType
+import org.apache.parquet.schema.PrimitiveType
+import org.apache.parquet.schema.Types
 import org.opendc.experiments.compute.telemetry.table.ServerTableReader
 import org.opendc.trace.util.parquet.LocalParquetWriter
 import java.io.File
-import java.util.*
+import java.util.UUID
 
 /**
  * A Parquet event writer for [ServerTableReader]s.
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/export/parquet/ParquetServiceDataWriter.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/export/parquet/ParquetServiceDataWriter.kt
index 0c466d39..6f1d5ad5 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/export/parquet/ParquetServiceDataWriter.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/export/parquet/ParquetServiceDataWriter.kt
@@ -25,7 +25,10 @@ package org.opendc.experiments.compute.export.parquet
 import org.apache.hadoop.conf.Configuration
 import org.apache.parquet.hadoop.api.WriteSupport
 import org.apache.parquet.io.api.RecordConsumer
-import org.apache.parquet.schema.*
+import org.apache.parquet.schema.LogicalTypeAnnotation
+import org.apache.parquet.schema.MessageType
+import org.apache.parquet.schema.PrimitiveType
+import org.apache.parquet.schema.Types
 import org.opendc.experiments.compute.telemetry.table.ServiceTableReader
 import java.io.File
 
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/CompositeComputeWorkload.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/CompositeComputeWorkload.kt
index 75779088..3a7a51f2 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/CompositeComputeWorkload.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/CompositeComputeWorkload.kt
@@ -26,7 +26,7 @@ import mu.KotlinLogging
 import org.opendc.experiments.compute.ComputeWorkload
 import org.opendc.experiments.compute.ComputeWorkloadLoader
 import org.opendc.experiments.compute.VirtualMachine
-import java.util.*
+import java.util.Random
 
 /**
  * A [ComputeWorkload] that samples multiple workloads based on the total load of all workloads.
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/HpcSampledComputeWorkload.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/HpcSampledComputeWorkload.kt
index 23efb154..a6055762 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/HpcSampledComputeWorkload.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/HpcSampledComputeWorkload.kt
@@ -26,7 +26,8 @@ import mu.KotlinLogging
 import org.opendc.experiments.compute.ComputeWorkload
 import org.opendc.experiments.compute.ComputeWorkloadLoader
 import org.opendc.experiments.compute.VirtualMachine
-import java.util.*
+import java.util.Random
+import java.util.UUID
 
 /**
  * A [ComputeWorkload] that samples HPC VMs in the workload.
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/LoadSampledComputeWorkload.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/LoadSampledComputeWorkload.kt
index 4663c59e..793f1de9 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/LoadSampledComputeWorkload.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/LoadSampledComputeWorkload.kt
@@ -26,7 +26,7 @@ import mu.KotlinLogging
 import org.opendc.experiments.compute.ComputeWorkload
 import org.opendc.experiments.compute.ComputeWorkloadLoader
 import org.opendc.experiments.compute.VirtualMachine
-import java.util.*
+import java.util.Random
 
 /**
  * A [ComputeWorkload] that is sampled based on total load.
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/TraceComputeWorkload.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/TraceComputeWorkload.kt
index 1cfee3bd..b4e9005f 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/TraceComputeWorkload.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/internal/TraceComputeWorkload.kt
@@ -25,7 +25,7 @@ package org.opendc.experiments.compute.internal
 import org.opendc.experiments.compute.ComputeWorkload
 import org.opendc.experiments.compute.ComputeWorkloadLoader
 import org.opendc.experiments.compute.VirtualMachine
-import java.util.*
+import java.util.Random
 
 /**
  * A [ComputeWorkload] from a trace.
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/telemetry/ComputeMetricReader.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/telemetry/ComputeMetricReader.kt
index 088f98e9..7e89eab1 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/telemetry/ComputeMetricReader.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/telemetry/ComputeMetricReader.kt
@@ -30,7 +30,11 @@ import mu.KotlinLogging
 import org.opendc.compute.api.Server
 import org.opendc.compute.service.ComputeService
 import org.opendc.compute.service.driver.Host
-import org.opendc.experiments.compute.telemetry.table.*
+import org.opendc.experiments.compute.telemetry.table.HostInfo
+import org.opendc.experiments.compute.telemetry.table.HostTableReader
+import org.opendc.experiments.compute.telemetry.table.ServerInfo
+import org.opendc.experiments.compute.telemetry.table.ServerTableReader
+import org.opendc.experiments.compute.telemetry.table.ServiceTableReader
 import java.time.Clock
 import java.time.Duration
 import java.time.Instant
diff --git a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/topology/HostSpec.kt b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/topology/HostSpec.kt
index 8ade963a..b5dbaaeb 100644
--- a/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/topology/HostSpec.kt
+++ b/opendc-experiments/opendc-experiments-compute/src/main/kotlin/org/opendc/experiments/compute/topology/HostSpec.kt
@@ -27,7 +27,7 @@ import org.opendc.simulator.compute.power.LinearPowerModel
 import org.opendc.simulator.compute.power.PowerDriver
 import org.opendc.simulator.compute.power.SimplePowerDriver
 import org.opendc.simulator.flow.mux.FlowMultiplexerFactory
-import java.util.*
+import java.util.UUID
 
 /**
  * Description of a physical host that will be simulated by OpenDC and host the virtual machines.
diff --git a/opendc-experiments/opendc-experiments-faas/src/main/kotlin/org/opendc/experiments/faas/FaaSServiceProvisioningStep.kt b/opendc-experiments/opendc-experiments-faas/src/main/kotlin/org/opendc/experiments/faas/FaaSServiceProvisioningStep.kt
index d977042e..301ea8c3 100644
--- a/opendc-experiments/opendc-experiments-faas/src/main/kotlin/org/opendc/experiments/faas/FaaSServiceProvisioningStep.kt
+++ b/opendc-experiments/opendc-experiments-faas/src/main/kotlin/org/opendc/experiments/faas/FaaSServiceProvisioningStep.kt
@@ -32,7 +32,7 @@ import org.opendc.faas.simulator.delay.ColdStartModel
 import org.opendc.faas.simulator.delay.StochasticDelayInjector
 import org.opendc.faas.simulator.delay.ZeroDelayInjector
 import org.opendc.simulator.compute.model.MachineModel
-import java.util.*
+import java.util.Random
 
 /**
  * A [ProvisioningStep] implementation for a [FaaSService].
diff --git a/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/core/SimTFDevice.kt b/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/core/SimTFDevice.kt
index 2c79da02..9b50758b 100644
--- a/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/core/SimTFDevice.kt
+++ b/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/core/SimTFDevice.kt
@@ -22,7 +22,12 @@
 
 package org.opendc.experiments.tf20.core
 
-import kotlinx.coroutines.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.suspendCancellableCoroutine
 import org.opendc.simulator.compute.SimBareMetalMachine
 import org.opendc.simulator.compute.SimMachine
 import org.opendc.simulator.compute.SimMachineContext
@@ -33,9 +38,12 @@ import org.opendc.simulator.compute.power.PowerModel
 import org.opendc.simulator.compute.power.SimplePowerDriver
 import org.opendc.simulator.compute.runWorkload
 import org.opendc.simulator.compute.workload.SimWorkload
-import org.opendc.simulator.flow.*
+import org.opendc.simulator.flow.FlowConnection
+import org.opendc.simulator.flow.FlowEngine
+import org.opendc.simulator.flow.FlowSource
 import java.time.Clock
-import java.util.*
+import java.util.ArrayDeque
+import java.util.UUID
 import kotlin.coroutines.Continuation
 import kotlin.coroutines.CoroutineContext
 import kotlin.coroutines.resume
diff --git a/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/core/TFDevice.kt b/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/core/TFDevice.kt
index 839ed8a9..2d23f5b3 100644
--- a/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/core/TFDevice.kt
+++ b/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/core/TFDevice.kt
@@ -22,7 +22,7 @@
 
 package org.opendc.experiments.tf20.core
 
-import java.util.*
+import java.util.UUID
 
 /**
  * A compute device on which tensor operations are performed.
diff --git a/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/util/MLEnvironmentReader.kt b/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/util/MLEnvironmentReader.kt
index 3cdf28fd..4913c019 100644
--- a/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/util/MLEnvironmentReader.kt
+++ b/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/util/MLEnvironmentReader.kt
@@ -31,7 +31,7 @@ import org.opendc.simulator.compute.model.ProcessingNode
 import org.opendc.simulator.compute.model.ProcessingUnit
 import org.opendc.simulator.compute.power.LinearPowerModel
 import java.io.InputStream
-import java.util.*
+import java.util.UUID
 
 /**
  * An environment reader for the TensorFlow experiments.
diff --git a/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/util/MachineDef.kt b/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/util/MachineDef.kt
index 271f5923..63f00d53 100644
--- a/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/util/MachineDef.kt
+++ b/opendc-experiments/opendc-experiments-tf20/src/main/kotlin/org/opendc/experiments/tf20/util/MachineDef.kt
@@ -24,7 +24,7 @@ package org.opendc.experiments.tf20.util
 
 import org.opendc.simulator.compute.model.MachineModel
 import org.opendc.simulator.compute.power.PowerModel
-import java.util.*
+import java.util.UUID
 
 /**
  * A definition of a machine in a cluster.
diff --git a/opendc-experiments/opendc-experiments-tf20/src/test/kotlin/org/opendc/experiments/tf20/TensorFlowTest.kt b/opendc-experiments/opendc-experiments-tf20/src/test/kotlin/org/opendc/experiments/tf20/TensorFlowTest.kt
index eee8b730..f5d35fa4 100644
--- a/opendc-experiments/opendc-experiments-tf20/src/test/kotlin/org/opendc/experiments/tf20/TensorFlowTest.kt
+++ b/opendc-experiments/opendc-experiments-tf20/src/test/kotlin/org/opendc/experiments/tf20/TensorFlowTest.kt
@@ -31,7 +31,7 @@ import org.opendc.experiments.tf20.distribute.OneDeviceStrategy
 import org.opendc.experiments.tf20.util.MLEnvironmentReader
 import org.opendc.simulator.compute.power.LinearPowerModel
 import org.opendc.simulator.kotlin.runSimulation
-import java.util.*
+import java.util.UUID
 
 /**
  * Integration test suite for the TensorFlow application model in OpenDC.
diff --git a/opendc-experiments/opendc-experiments-tf20/src/test/kotlin/org/opendc/experiments/tf20/core/SimTFDeviceTest.kt b/opendc-experiments/opendc-experiments-tf20/src/test/kotlin/org/opendc/experiments/tf20/core/SimTFDeviceTest.kt
index 966ca5ef..85d63e9b 100644
--- a/opendc-experiments/opendc-experiments-tf20/src/test/kotlin/org/opendc/experiments/tf20/core/SimTFDeviceTest.kt
+++ b/opendc-experiments/opendc-experiments-tf20/src/test/kotlin/org/opendc/experiments/tf20/core/SimTFDeviceTest.kt
@@ -32,7 +32,7 @@ import org.opendc.simulator.compute.model.ProcessingNode
 import org.opendc.simulator.compute.model.ProcessingUnit
 import org.opendc.simulator.compute.power.LinearPowerModel
 import org.opendc.simulator.kotlin.runSimulation
-import java.util.*
+import java.util.UUID
 
 /**
  * Test suite for the [SimTFDevice] class.
diff --git a/opendc-experiments/opendc-experiments-workflow/src/main/kotlin/org/opendc/experiments/workflow/TraceHelpers.kt b/opendc-experiments/opendc-experiments-workflow/src/main/kotlin/org/opendc/experiments/workflow/TraceHelpers.kt
index a15d3d5b..d1009d44 100644
--- a/opendc-experiments/opendc-experiments-workflow/src/main/kotlin/org/opendc/experiments/workflow/TraceHelpers.kt
+++ b/opendc-experiments/opendc-experiments-workflow/src/main/kotlin/org/opendc/experiments/workflow/TraceHelpers.kt
@@ -27,15 +27,22 @@ import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import org.opendc.simulator.compute.workload.SimFlopsWorkload
-import org.opendc.trace.*
-import org.opendc.trace.conv.*
+import org.opendc.trace.Trace
+import org.opendc.trace.conv.TABLE_TASKS
+import org.opendc.trace.conv.TASK_ALLOC_NCPUS
+import org.opendc.trace.conv.TASK_ID
+import org.opendc.trace.conv.TASK_PARENTS
+import org.opendc.trace.conv.TASK_REQ_NCPUS
+import org.opendc.trace.conv.TASK_RUNTIME
+import org.opendc.trace.conv.TASK_SUBMIT_TIME
+import org.opendc.trace.conv.TASK_WORKFLOW_ID
 import org.opendc.workflow.api.Job
 import org.opendc.workflow.api.Task
 import org.opendc.workflow.api.WORKFLOW_TASK_CORES
 import org.opendc.workflow.api.WORKFLOW_TASK_DEADLINE
 import org.opendc.workflow.service.WorkflowService
 import java.time.Clock
-import java.util.*
+import java.util.UUID
 import kotlin.collections.HashMap
 import kotlin.collections.HashSet
 import kotlin.math.min