diff --git a/examples/lib/bld/bld-wrapper.properties b/examples/lib/bld/bld-wrapper.properties
index e1bfbba..6528a5e 100644
--- a/examples/lib/bld/bld-wrapper.properties
+++ b/examples/lib/bld/bld-wrapper.properties
@@ -1,7 +1,7 @@
 bld.downloadExtensionJavadoc=false
 bld.downloadExtensionSources=true
 bld.extensions=com.uwyn.rife2:bld-kotlin:0.9.0-SNAPSHOT
-bld.repositories=MAVEN_LOCAL,RIFE2_SNAPSHOTS,MAVEN_CENTRAL,RIFE2_RELEASES
+bld.repositories=MAVEN_LOCAL,MAVEN_CENTRAL
 bld.downloadLocation=
 bld.sourceDirectories=
 bld.version=1.7.5
diff --git a/examples/src/bld/java/com/example/ExampleBuild.java b/examples/src/bld/java/com/example/ExampleBuild.java
index 5e3f929..52cbfbe 100644
--- a/examples/src/bld/java/com/example/ExampleBuild.java
+++ b/examples/src/bld/java/com/example/ExampleBuild.java
@@ -3,6 +3,8 @@ package com.example;
 import rife.bld.BaseProject;
 import rife.bld.BuildCommand;
 import rife.bld.extension.CompileKotlinOperation;
+import rife.bld.extension.dokka.DokkaOperation;
+import rife.bld.operations.exceptions.ExitStatusException;
 
 import java.io.IOException;
 import java.util.List;
@@ -50,4 +52,11 @@ public class ExampleBuild extends BaseProject {
                 .compileOptions("-verbose")
                 .execute();
     }
+
+    @BuildCommand(summary = "Generates Javadoc for the project")
+    public void javadoc() throws ExitStatusException, IOException, InterruptedException {
+        new DokkaOperation()
+                .fromProject(this)
+                .execute();
+    }
 }
\ No newline at end of file
diff --git a/src/bld/java/rife/bld/extension/CompileKotlinOperationBuild.java b/src/bld/java/rife/bld/extension/CompileKotlinOperationBuild.java
index 16a7c25..d70aed3 100644
--- a/src/bld/java/rife/bld/extension/CompileKotlinOperationBuild.java
+++ b/src/bld/java/rife/bld/extension/CompileKotlinOperationBuild.java
@@ -40,8 +40,13 @@ public class CompileKotlinOperationBuild extends Project {
         autoDownloadPurge = true;
         repositories = List.of(MAVEN_LOCAL, MAVEN_CENTRAL, RIFE2_RELEASES);
 
+        var dokka = version(1, 9, 10);
         scope(compile)
                 .include(dependency("org.jetbrains.kotlin", "kotlin-compiler", version(1, 9, 20)))
+                .include(dependency("org.jetbrains.dokka", "dokka-cli", dokka))
+                .include(dependency("org.jetbrains.dokka", "dokka-base", dokka))
+                .include(dependency("org.jetbrains.dokka", "analysis-kotlin-descriptors", dokka))
+                .include(dependency("org.jetbrains.dokka", "javadoc-plugin", dokka))
                 .include(dependency("com.uwyn.rife2", "bld", version(1, 7, 5)));
         scope(test)
                 .include(dependency("org.junit.jupiter", "junit-jupiter", version(5, 10, 0)))
diff --git a/src/main/java/rife/bld/extension/CompileKotlinOperation.java b/src/main/java/rife/bld/extension/CompileKotlinOperation.java
index 8d17f11..2618da4 100644
--- a/src/main/java/rife/bld/extension/CompileKotlinOperation.java
+++ b/src/main/java/rife/bld/extension/CompileKotlinOperation.java
@@ -105,7 +105,7 @@ public class CompileKotlinOperation extends AbstractOperation<CompileKotlinOpera
     /**
      * Provides entries for the main compilation classpath.
      *
-     * @param classpath classpath entries
+     * @param classpath one or more classpath entries
      * @return this operation instance
      */
     public CompileKotlinOperation compileMainClasspath(String... classpath) {
@@ -147,11 +147,11 @@ public class CompileKotlinOperation extends AbstractOperation<CompileKotlinOpera
     /**
      * Provides the compilation options to pass to the {@code kotlinc} compiler.
      *
-     * @param option the compiler option
+     * @param options one or more compiler options
      * @return this operation instance
      */
-    public CompileKotlinOperation compileOptions(String... option) {
-        compileOptions_.addAll(Arrays.asList(option));
+    public CompileKotlinOperation compileOptions(String... options) {
+        compileOptions_.addAll(Arrays.asList(options));
         return this;
     }
 
@@ -167,7 +167,7 @@ public class CompileKotlinOperation extends AbstractOperation<CompileKotlinOpera
     /**
      * Provides entries for the test compilation classpath.
      *
-     * @param classpath classpath entries
+     * @param classpath one or more classpath entries
      * @return this operation instance
      */
     public CompileKotlinOperation compileTestClasspath(String... classpath) {
@@ -308,7 +308,7 @@ public class CompileKotlinOperation extends AbstractOperation<CompileKotlinOpera
     /**
      * Provides main source directories that should be compiled.
      *
-     * @param directories main source directories
+     * @param directories one or more main source directories
      * @return this operation instance
      */
     public CompileKotlinOperation mainSourceDirectories(File... directories) {
@@ -339,7 +339,7 @@ public class CompileKotlinOperation extends AbstractOperation<CompileKotlinOpera
     /**
      * Provides main files that should be compiled.
      *
-     * @param files main files
+     * @param files one or more main files
      * @return this operation instance
      */
     public CompileKotlinOperation mainSourceFiles(File... files) {
@@ -380,7 +380,7 @@ public class CompileKotlinOperation extends AbstractOperation<CompileKotlinOpera
     /**
      * Provides test source directories that should be compiled.
      *
-     * @param directories test source directories
+     * @param directories one or more test source directories
      * @return this operation instance
      */
     public CompileKotlinOperation testSourceDirectories(File... directories) {
@@ -411,7 +411,7 @@ public class CompileKotlinOperation extends AbstractOperation<CompileKotlinOpera
     /**
      * Provides test files that should be compiled.
      *
-     * @param files test files
+     * @param files one or more test files
      * @return this operation instance
      */
     public CompileKotlinOperation testSourceFiles(File... files) {
diff --git a/src/main/java/rife/bld/extension/dokka/AnalysisPlatform.java b/src/main/java/rife/bld/extension/dokka/AnalysisPlatform.java
new file mode 100644
index 0000000..e74b888
--- /dev/null
+++ b/src/main/java/rife/bld/extension/dokka/AnalysisPlatform.java
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package rife.bld.extension.dokka;
+
+/**
+ * Dokka analysis platforms.
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public enum AnalysisPlatform {
+    JVM, JS, NATIVE, COMMON, ANDROID
+}
\ No newline at end of file
diff --git a/src/main/java/rife/bld/extension/dokka/DocumentedVisibility.java b/src/main/java/rife/bld/extension/dokka/DocumentedVisibility.java
new file mode 100644
index 0000000..a95b385
--- /dev/null
+++ b/src/main/java/rife/bld/extension/dokka/DocumentedVisibility.java
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package rife.bld.extension.dokka;
+
+/**
+ * Dokka documented visibilities.
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public enum DocumentedVisibility {
+    PUBLIC, PRIVATE, PROTECTED, INTERNAL, PACKAGE
+}
diff --git a/src/main/java/rife/bld/extension/dokka/DokkaOperation.java b/src/main/java/rife/bld/extension/dokka/DokkaOperation.java
new file mode 100644
index 0000000..be8145e
--- /dev/null
+++ b/src/main/java/rife/bld/extension/dokka/DokkaOperation.java
@@ -0,0 +1,408 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package rife.bld.extension.dokka;
+
+import rife.bld.BaseProject;
+import rife.bld.operations.AbstractProcessOperation;
+
+import java.io.File;
+import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * Builds Javadocs using Dokka.
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public class DokkaOperation extends AbstractProcessOperation<DokkaOperation> {
+    private final Logger LOGGER = Logger.getLogger(DokkaOperation.class.getName());
+    private final Map<String, String> globalLinks_ = new ConcurrentHashMap<>();
+    private final Collection<String> globalPackageOptions_ = new ArrayList<>();
+    private final Collection<String> globalSrcLinks_ = new ArrayList<>();
+    private final Collection<File> includes_ = new ArrayList<>();
+    private final Map<String, String> pluginConfiguration_ = new ConcurrentHashMap<>();
+    private final Collection<String> pluginsClasspath_ = new ArrayList<>();
+    private Boolean delayTemplateSubstitution_;
+    private Boolean failOnWarning_;
+    private LoggingLevel loggingLevel_;
+    private String moduleName_;
+    private String moduleVersion_;
+    private Boolean noSuppressObviousFunctions_;
+    private Boolean offlineMode_;
+    private File outputDir_;
+    private BaseProject project_;
+    private SourceSet sourceSet_;
+    private Boolean suppressInheritedMembers_;
+
+    /**
+     * Sets the delay substitution of some elements. Used in incremental builds of multimodule projects.
+     *
+     * @param delayTemplateSubstitution the delay
+     * @return this operation instance
+     */
+    public DokkaOperation delayTemplateSubstitution(Boolean delayTemplateSubstitution) {
+        delayTemplateSubstitution_ = delayTemplateSubstitution;
+        return this;
+    }
+
+    /**
+     * Part of the {@link #execute} operation, constructs the command list
+     * to use for building the process.
+     *
+     * @since 1.5
+     */
+    @Override
+    protected List<String> executeConstructProcessCommandList() {
+        if (project_ == null) {
+            throw new IllegalArgumentException("A project must be specified.");
+        }
+
+        final List<String> args = new ArrayList<>();
+
+        // java
+        args.add(javaTool());
+
+        var cli = getJarList(project_.libBldDirectory(), "^.*dokka-cli.*\\.jar$");
+
+        if (cli.size() != 1) {
+            throw new RuntimeException("The dokka-cli JAR could not be found.");
+        }
+
+        // -jar dokka-cli
+        args.add("-jar");
+        args.add(cli.get(0));
+
+        // -pluginClasspath
+        if (!pluginsClasspath_.isEmpty()) {
+            args.add("-pluginsClasspath");
+            args.add(String.join(";", pluginsClasspath_));
+        }
+
+        // -sourceSet
+        var sourceSetArgs = sourceSet_.args();
+        if (sourceSetArgs.isEmpty()) {
+            throw new IllegalArgumentException("At least one sourceSet is required.");
+        } else {
+            args.add("-sourceSet");
+            args.add(String.join(" ", sourceSet_.args()));
+        }
+
+        // -outputdir
+        if (outputDir_ == null) {
+            outputDir_ = new File("./dokka");
+        }
+        args.add("-outputDir");
+        args.add(outputDir_.getAbsolutePath());
+
+        if (LOGGER.isLoggable(Level.FINE)) {
+            LOGGER.fine(String.join(" ", args));
+        }
+
+        return args;
+    }
+
+    /**
+     * Configures the operation from a {@link BaseProject}.
+     *
+     * @param project the project to configure the operation from
+     */
+    @Override
+    public DokkaOperation fromProject(BaseProject project) {
+        project_ = project;
+        var plugins = getJarList(
+                project.libBldDirectory(),
+                "^.*(dokka-base|analysis-kotlin-descriptors|javadoc-plugin|kotlin-as-java-plugin|korte-jvm).*\\.jar$");
+        pluginsClasspath_.addAll(plugins);
+        sourceSet_ = new SourceSet().src(new File(project.srcMainDirectory(), "kotlin"));
+        outputDir_ = new File(project.buildDirectory(), "javadoc");
+        return this;
+    }
+
+    /**
+     * Sets whether to fail documentation generation if Dokka has emitted a warning or an error.
+     *
+     * @param failOnWarning the fail on warning ;toggle
+     * @return this operation instance
+     */
+    public DokkaOperation failOnWarning(Boolean failOnWarning) {
+        failOnWarning_ = failOnWarning;
+        return this;
+    }
+
+    private List<String> getJarList(File directory, String regex) {
+        var jars = new ArrayList<String>();
+
+        if (directory.isDirectory()) {
+            var files = directory.listFiles();
+            if (files != null) {
+                for (var f : files) {
+                    if (!f.getName().contains("-sources")) {
+                        if (f.getName().matches(regex)) {
+                            jars.add(f.getAbsolutePath());
+                        }
+                    }
+                }
+            }
+        }
+
+        return jars;
+    }
+
+    /**
+     * Set the global external documentation links
+     *
+     * @param url            the external documentation URL
+     * @param packageListUrl the external documentation package list URL
+     * @return this operation instance
+     */
+    public DokkaOperation globalLinks(String url, String packageListUrl) {
+        globalLinks_.put(url, packageListUrl);
+        return this;
+    }
+
+    /**
+     * Set the global external documentation links
+     *
+     * @param globalLinks the map of global links
+     * @return this operation instance
+     * @see #globalSrcLink(String...)
+     */
+    public DokkaOperation globalLinks(Map<String, String> globalLinks) {
+        globalLinks_.putAll(globalLinks);
+        return this;
+    }
+
+    /**
+     * Sets the global list of package configurations in format:
+     * <ul>
+     * <li>matchingRegexp</li>
+     * <li>-deprecated</li>
+     * <li>-privateApi</li>
+     * <li>+warnUndocumented</li>
+     * <li>+suppress</li>
+     * <li>...</li>
+     * </ul>
+     *
+     * @param options ome pr more package configurations
+     * @return this operation instance
+     */
+    public DokkaOperation globalPackageOptions(String... options) {
+        globalPackageOptions_.addAll(Arrays.asList(options));
+        return this;
+    }
+
+    /**
+     * Sets the global list of package configurations in format:
+     * <ul>
+     * <li>matchingRegexp</li>
+     * <li>-deprecated</li>
+     * <li>-privateApi</li>
+     * <li>+warnUndocumented</li>
+     * <li>+suppress</li>
+     * <li>...</li>
+     * </ul>
+     *
+     * @param options the list of package configurations
+     * @return this operation instance
+     */
+    public DokkaOperation globalPackageOptions(Collection<String> options) {
+        globalPackageOptions_.addAll(options);
+        return this;
+    }
+
+    /**
+     * Sets the global mapping between a source directory and a Web service for browsing the code.
+     *
+     * @param links one or more links mapping
+     * @return this operation instance
+     */
+    public DokkaOperation globalSrcLink(String... links) {
+        globalSrcLinks_.addAll(Arrays.asList(links));
+        return this;
+    }
+
+    /**
+     * Sets the global mapping between a source directory and a Web service for browsing the code.
+     *
+     * @param links the links mapping
+     * @return this operation instance
+     */
+    public DokkaOperation globalSrcLink(Collection<String> links) {
+        globalSrcLinks_.addAll(links);
+        return this;
+    }
+
+    /**
+     * Sets the Markdown files that contain module and package documentation.
+     *
+     * @param files one or more files
+     * @return this operation instance
+     */
+    public DokkaOperation includes(File... files) {
+        includes_.addAll(Arrays.asList(files));
+        return this;
+    }
+
+    /**
+     * Sets the Markdown files that contain module and package documentation.
+     *
+     * @param files the list of files
+     * @return this operation instance
+     */
+    public DokkaOperation includss(Collection<File> files) {
+        includes_.addAll(files);
+        return this;
+    }
+
+    /**
+     * Sets the logging level.
+     *
+     * @param loggingLevel the logging level
+     * @return this operation instance
+     */
+    public DokkaOperation loggingLevel(LoggingLevel loggingLevel) {
+        loggingLevel_ = loggingLevel;
+        return this;
+    }
+
+    /**
+     * Sets the name of the project/module. Default is {@code root}.
+     *
+     * @param moduleName the project/module name
+     * @return this operation instance
+     */
+    public DokkaOperation moduleName(String moduleName) {
+        moduleName_ = moduleName;
+        return this;
+    }
+
+    /**
+     * Set the documented version.
+     *
+     * @param version the version
+     * @return this operation instance
+     */
+    public DokkaOperation moduleVersion(String version) {
+        moduleVersion_ = version;
+        return this;
+    }
+
+    /**
+     * Sets whether to suppress obvious functions such as inherited from {@code kotlin.Any} and
+     * {@link java.lang.Object java.lang.Object}.
+     *
+     * @param noSuppressObviousFunctions the suppress toggle
+     * @return this operation instance
+     */
+    public DokkaOperation noSuppressObviousFunctions(Boolean noSuppressObviousFunctions) {
+        noSuppressObviousFunctions_ = noSuppressObviousFunctions;
+        return this;
+    }
+
+    /**
+     * Sets whether to resolve remote files/links over network.
+     *
+     * @param offlineMode the offline mode
+     * @return this operation instance
+     */
+    public DokkaOperation offlineMode(Boolean offlineMode) {
+        offlineMode_ = offlineMode;
+        return this;
+    }
+
+    /**
+     * Sets the output directory path, {@code ./dokka} by default
+     *
+     * @param outputDir the output directory
+     * @return this operation instance
+     */
+    public DokkaOperation outputDir(File outputDir) {
+        outputDir_ = outputDir;
+        return this;
+    }
+
+    /**
+     * Sets the list of jars with Dokka plugins and their dependencies.
+     *
+     * @param jars one or more jars
+     * @return this operation instance
+     */
+    public DokkaOperation pluginClassPath(String... jars) {
+        pluginsClasspath_.addAll(Arrays.asList(jars));
+        return this;
+    }
+
+    /**
+     * Sets the list of jars with Dokka plugins and their dependencies.
+     *
+     * @param jars the list of jars
+     * @return this operation instance
+     */
+    public DokkaOperation pluginClassPath(Collection<String> jars) {
+        pluginsClasspath_.addAll(jars);
+        return this;
+    }
+
+    /**
+     * Sets the configuration for Dokka plugins.
+     *
+     * @param name              The fully-qualified plugin name
+     * @param jsonConfiguration The plugin JSON configuration
+     * @return this operation instance
+     */
+    public DokkaOperation pluginConfiguration(String name, String jsonConfiguration) {
+        pluginConfiguration_.put(name, jsonConfiguration);
+        return this;
+    }
+
+    /**
+     * Sets the configuration for Dokka plugins.
+     *
+     * @param pluginConfiguration the map of configurations
+     * @return this operation instance
+     * @see #pluginConfiguration(String, String)
+     */
+    public DokkaOperation pluginConfiguration(Map<String, String> pluginConfiguration) {
+        pluginConfiguration_.putAll(pluginConfiguration);
+        return this;
+    }
+
+    /**
+     * Sets the configurations for a source set.
+     *
+     * @param sourceSet the source set configurations
+     * @return this operation instance
+     */
+    private DokkaOperation sourceSet(SourceSet sourceSet) {
+        sourceSet_ = sourceSet;
+        return this;
+    }
+
+    /**
+     * Sets whether to suppress inherited members that aren't explicitly overridden in a given class.
+     *
+     * @param suppressInheritedMembers the suppress toggle
+     * @return this operation instance
+     */
+    public DokkaOperation suppressInheritedMembers(Boolean suppressInheritedMembers) {
+        suppressInheritedMembers_ = suppressInheritedMembers;
+        return this;
+    }
+}
diff --git a/src/main/java/rife/bld/extension/dokka/LoggingLevel.java b/src/main/java/rife/bld/extension/dokka/LoggingLevel.java
new file mode 100644
index 0000000..a3f9210
--- /dev/null
+++ b/src/main/java/rife/bld/extension/dokka/LoggingLevel.java
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package rife.bld.extension.dokka;
+
+/**
+ * Dokka logging levels.
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public enum LoggingLevel {
+    DEBUG, PROGRESS, INFO, WARN, ERROR
+}
diff --git a/src/main/java/rife/bld/extension/dokka/SourceSet.java b/src/main/java/rife/bld/extension/dokka/SourceSet.java
new file mode 100644
index 0000000..ac9177c
--- /dev/null
+++ b/src/main/java/rife/bld/extension/dokka/SourceSet.java
@@ -0,0 +1,409 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package rife.bld.extension.dokka;
+
+import java.io.File;
+import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * Configuration for a Dokka source set.
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public class SourceSet {
+    private final Collection<File> classpath_ = new ArrayList<>();
+    private final Map<String, String> dependentSourceSets_ = new ConcurrentHashMap<>();
+    private final Collection<DocumentedVisibility> documentedVisibilities_ = new ArrayList<>();
+    private final Map<String, String> externalDocumentationLinks_ = new ConcurrentHashMap<>();
+    private final Collection<File> includes_ = new ArrayList<>();
+    private final Collection<String> perPackageOptions_ = new ArrayList<>();
+    private final Collection<File> samples_ = new ArrayList<>();
+    private final Map<String, String> srcLinks_ = new ConcurrentHashMap<>();
+    private final Collection<File> src_ = new ArrayList<>();
+    private final Collection<File> suppressedFiles_ = new ArrayList<>();
+    private AnalysisPlatform analysisPlatform_;
+    private String apiVersion_;
+    private String displayName_;
+    private int jdkVersion_;
+    private String languageVersion_;
+    private Boolean noJdkLink_;
+    private boolean noSkipEmptyPackages_;
+    private Boolean noStdlibLink_;
+    private Boolean reportUndocumented_;
+    private boolean skipDeprecated_;
+    private String sourceSetName_;
+
+    /**
+     * Sets the platform used for setting up analysis. Default is {@link AnalysisPlatform#JVM}
+     *
+     * @param analysisPlatform the analysis platfrom
+     * @return this operation instance
+     */
+    public SourceSet analysisPlatform(AnalysisPlatform analysisPlatform) {
+        analysisPlatform_ = analysisPlatform;
+        return this;
+    }
+
+    /**
+     * Sets the Kotlin API version used for setting up analysis and samples.
+     *
+     * @param apiVersion the api version
+     * @return this operation instance
+     */
+    public SourceSet apiVersion(String apiVersion) {
+        apiVersion_ = apiVersion;
+        return this;
+    }
+
+    /**
+     * Returns the formatted arguments.
+     *
+     * @return the arguments
+     */
+    public List<String> args() {
+        var args = new ArrayList<String>();
+
+        // -src
+        if (!src_.isEmpty()) {
+            args.add("-src");
+            src_.forEach(s -> args.add(s.getAbsolutePath() + ';'));
+        }
+
+        return args;
+    }
+
+    /**
+     * Sets classpath for analysis and interactive samples.
+     *
+     * @param classpath one or more classpath
+     * @return this operation instance
+     */
+    public SourceSet classpath(File... classpath) {
+        classpath_.addAll(Arrays.asList(classpath));
+        return this;
+    }
+
+    /**
+     * Sets classpath for analysis and interactive samples.
+     *
+     * @param classpath the list of classpath
+     * @return this operation instance
+     */
+    public SourceSet classpath(Collection<File> classpath) {
+        classpath_.addAll(classpath);
+        return this;
+    }
+
+    /**
+     * Sets the names of dependent source sets.
+     *
+     * @param moduleName    the module name
+     * @param sourceSetName the source set name
+     * @return this operation instance
+     */
+    public SourceSet dependentSourceSets(String moduleName, String sourceSetName) {
+        dependentSourceSets_.put(moduleName, sourceSetName);
+        return this;
+    }
+
+    /**
+     * Sets the names of dependent source sets.
+     *
+     * @param dependentSourceSets the map of dependent source set names
+     * @return this operation instance
+     * @see #dependentSourceSets(String, String)
+     */
+    public SourceSet dependentSourceSets(Map<String, String> dependentSourceSets) {
+        dependentSourceSets_.putAll(dependentSourceSets);
+        return this;
+    }
+
+    /**
+     * Sets the display name of the source set, used both internally and externally.
+     *
+     * @param displayName the display name
+     * @return this operation instance
+     */
+    public SourceSet displayName(String displayName) {
+        displayName_ = displayName;
+        return this;
+    }
+
+    /**
+     * Sets visibilities to be documented.
+     *
+     * @param visibilities one or more visibilities
+     * @return this operation instance
+     */
+    public SourceSet documentedVisibilities(DocumentedVisibility... visibilities) {
+        documentedVisibilities_.addAll(Arrays.asList(visibilities));
+        return this;
+    }
+
+    /**
+     * Sets the external documentation links.
+     *
+     * @param url            the external documentation URL
+     * @param packageListUrl the external documentation package list URL
+     * @return this operation instance
+     */
+    public SourceSet externalDocumentationLinks(String url, String packageListUrl) {
+        externalDocumentationLinks_.put(url, packageListUrl);
+        return this;
+    }
+
+    /**
+     * Sets the external documentation links.
+     *
+     * @param externalDocumentationLinks the map of external documentation links
+     * @return this operation instance
+     * @see #dependentSourceSets(String, String)
+     */
+    public SourceSet externalDocumentationLinks(Map<String, String> externalDocumentationLinks) {
+        externalDocumentationLinks_.putAll(externalDocumentationLinks);
+        return this;
+    }
+
+    /**
+     * Sets the Markdown files that contain module and package documentation.
+     *
+     * @param files one or more files
+     * @return this operation instance
+     */
+    public SourceSet includes(File... files) {
+        includes_.addAll(Arrays.asList(files));
+        return this;
+    }
+
+    /**
+     * Sets the Markdown files that contain module and package documentation.
+     *
+     * @param files the list of files
+     * @return this operation instance
+     */
+    public SourceSet includss(Collection<File> files) {
+        includes_.addAll(files);
+        return this;
+    }
+
+    /**
+     * Sets the version of JDK to use for linking to JDK Javadocs.
+     *
+     * @param jdkVersion the JDK version
+     * @return this operation instance
+     */
+    public SourceSet jdkVersion(int jdkVersion) {
+        jdkVersion_ = jdkVersion;
+        return this;
+    }
+
+    /**
+     * Sets the language version used for setting up analysis and samples.
+     *
+     * @param languageVersion the language version
+     * @return this operation instance
+     */
+    public SourceSet languageVersion(String languageVersion) {
+        languageVersion_ = languageVersion;
+        return this;
+    }
+
+    /**
+     * Sets whether to generate links to JDK Javadocs.
+     *
+     * @param noJdkLink the no JDK link toggle
+     * @return this operation instance
+     */
+    public SourceSet noJdkLink(Boolean noJdkLink) {
+        noJdkLink_ = noJdkLink;
+        return this;
+    }
+
+    /**
+     * Sets whether to create pages for empty packages.
+     *
+     * @param noSkipEmptyPackages the no skip empty packages toggle
+     * @return this operation instance
+     */
+    public SourceSet noSkipEmptyPackages(boolean noSkipEmptyPackages) {
+        noSkipEmptyPackages_ = noSkipEmptyPackages;
+        return this;
+    }
+
+    /**
+     * Sets whether to generate links to Standard library.
+     *
+     * @param noStdlibLink the no std lib link toggle
+     * @return this operation instance
+     */
+    public SourceSet noStdlibLink(Boolean noStdlibLink) {
+        noStdlibLink_ = noStdlibLink;
+        return this;
+    }
+
+    /**
+     * Set the list of package source set configuration in format:
+     * <ul>
+     * <li><matchingRegexp</li>
+     * <li>-deprecated</li>
+     * <li>-privateApi</li>
+     * <li>+warnUndocumented</li>
+     * <li>+suppress</li>
+     * <li>...</li>
+     * </ul>
+     *
+     * @param perPackageOptions the list of per package options
+     * @return this operation instance
+     */
+    public SourceSet perPackageOptions(Collection<String> perPackageOptions) {
+        perPackageOptions_.addAll(perPackageOptions);
+        return this;
+    }
+
+    /**
+     * Set the list of package source set configuration in format:
+     * <ul>
+     * <li><matchingRegexp</li>
+     * <li>-deprecated</li>
+     * <li>-privateApi</li>
+     * <li>+warnUndocumented</li>
+     * <li>+suppress</li>
+     * <li>...</li>
+     * </ul>
+     *
+     * @param perPackageOptions one or more per package options
+     * @return this operation instance
+     */
+    public SourceSet perPackageOptions(String... perPackageOptions) {
+        perPackageOptions_.addAll(List.of(perPackageOptions));
+        return this;
+    }
+
+    /**
+     * Sets Wwether to report undocumented declarations.
+     *
+     * @param reportUndocumented the report undocumented toggle
+     * @return this operation instance
+     */
+    public SourceSet reportUndocumented(Boolean reportUndocumented) {
+        reportUndocumented_ = reportUndocumented;
+        return this;
+    }
+
+    /**
+     * Set the list of directories or files that contain sample functions.
+     *
+     * @param samples the list of samples
+     * @return this operation instance
+     */
+    public SourceSet samples(Collection<File> samples) {
+        samples_.addAll(samples);
+        return this;
+    }
+
+    /**
+     * Set the list of directories or files that contain sample functions.
+     *
+     * @param samples nne or more samples
+     * @return this operation instance
+     */
+    public SourceSet samples(File... samples) {
+        samples_.addAll(List.of(samples));
+        return this;
+    }
+
+    /**
+     * Sets whether to skip deprecated declarations.
+     *
+     * @param skipDeprecated the skip deprecated toggle
+     * @return this operation instance
+     */
+    public SourceSet skipDeprecated(boolean skipDeprecated) {
+        skipDeprecated_ = skipDeprecated;
+        return this;
+    }
+
+    /**
+     * Sets the name of the source set. Default is  {@code main}.
+     *
+     * @param sourceSetName the source set name.
+     * @return this operation instance
+     */
+    public SourceSet sourceSetName(String sourceSetName) {
+        sourceSetName_ = sourceSetName;
+        return this;
+    }
+
+    /**
+     * Sets the source code roots to be analyzed and documented.
+     *
+     * @param src the list of source code roots
+     * @return this operation instance
+     */
+    public SourceSet src(Collection<File> src) {
+        src_.addAll(src);
+        return this;
+    }
+
+    /**
+     * Sets the source code roots to be analyzed and documented.
+     *
+     * @param src pne ore moe source code roots
+     * @return this operation instance
+     */
+    public SourceSet src(File... src) {
+        src_.addAll(List.of(src));
+        return this;
+    }
+
+    /**
+     * Sets the mpping between a source directory and a Web service for browsing the code.
+     *
+     * @param srcPath    the source path
+     * @param remotePath the remote path
+     * @param lineSuffix the line suffix
+     * @return this operation instance
+     */
+    public SourceSet srcLinks(String srcPath, String remotePath, String lineSuffix) {
+        srcLinks_.put(srcPath, remotePath + '#' + lineSuffix);
+        return this;
+    }
+
+    /**
+     * Sets the paths to files to be suppressed.
+     *
+     * @param suppressedFiles the list of suppressed files
+     * @return this operation instance
+     */
+    public SourceSet suppressedFiles(Collection<File> suppressedFiles) {
+        suppressedFiles_.addAll(suppressedFiles);
+        return this;
+    }
+
+    /**
+     * Sets the paths to files to be suppressed.
+     *
+     * @param suppressedFiles one or moe suppressed files
+     * @return this operation instance
+     */
+    public SourceSet suppressedFiles(File... suppressedFiles) {
+        suppressedFiles_.addAll(Arrays.asList(suppressedFiles));
+        return this;
+    }
+}