then:
        project.tasks.getByName("compileJava").modularity.inferModulePath.get()
        project.tasks.getByName("compileTestJava").modularity.inferModulePath.get()
        project.tasks.getByName("test").modularity.inferModulePath.get()
        project.tasks.getByName("run").modularity.inferModulePath.get()
        project.tasks.getByName("startScripts").modularity.inferModulePath.get()
    }

plugins {
    `java-library`
}

repositories {
    mavenCentral()
}

// tag::disableModulePath[]
java {
    modularity.inferModulePath = false
}

tasks.compileJava {
    modularity.inferModulePath = false
}
// end::disableModulePath[]

dependencies {
    implementation("com.google.code.gson:gson:2.8.9")
    implementation("org.apache.commons:commons-lang3:3.10")
    implementation("commons-cli:commons-cli:1.4")

plugins {
    id 'java-library'
}

repositories {
    mavenCentral()
}

// tag::disableModulePath[]
java {
    modularity.inferModulePath = false
}

tasks.named('compileJava') {
    modularity.inferModulePath = false
}
// end::disableModulePath[]

dependencies {
    implementation 'com.google.code.gson:gson:2.8.9'
    implementation 'org.apache.commons:commons-lang3:3.10'

        builder.mainClass.set("mainClass")
        builder.classpath(new File("file1.jar").canonicalFile)

        when:
        // turn off module support:
        builder.modularity.inferModulePath.set(false)

        then:
        !builder.getAllArguments().contains('--module')
    }

    def "throws reasonable error if module support is turned on without module detector service"() {

            </tr>
            <tr>
                <td>excludes</td>
                <td><literal>[]</literal></td>
            </tr>
            <tr>
                <td>modularity</td>
                <td/>
            </tr>
            <tr>
                <td>javadocTool</td>
                <td><literal>java.toolchain</literal></td>
            </tr>
        </table>
    </section>

    private final ProcessArgumentsSpec argumentsSpec = new ProcessArgumentsSpec(this);

    private final Property<String> mainClass;
    private final Property<String> mainModule;
    private final ModularitySpec modularity;
    private final ListProperty<String> jvmArguments;

    private final FileCollectionFactory fileCollectionFactory;
    private ConfigurableFileCollection classpath;

    @Inject
    public DefaultJavaExecSpec(

            </tr>
            <tr>
                <td>source</td>
                <td><literal><replaceable>sourceSet</replaceable>.java</literal></td>
            </tr>
            <tr>
                <td>modularity</td>
                <td/>
            </tr>
            <tr>
                <td>javaCompiler</td>
                <td><literal>java.toolchain</literal></td>
            </tr>
        </table>
    </section>

            </tr>
            <tr>
                <td>mainModule</td>
                <td><literal>null</literal></td>
            </tr>
            <tr>
                <td>modularity</td>
                <td/>
            </tr>
            <tr>
                <td>args</td>
                <td><literal>[]</literal></td>
            </tr>
            <tr>

                <td/>
            </tr>
            <tr>
                <td>failFast</td>
                <td><literal>false</literal></td>
            </tr>
            <tr>
                <td>modularity</td>
                <td/>
            </tr>
            <tr>
                <td>javaLauncher</td>
                <td><literal>java.toolchain</literal></td>
            </tr>
            <tr>

 * limitations under the License.
 */

package org.gradle.api.jvm;

import org.gradle.api.provider.Property;
import org.gradle.api.tasks.Input;

/**
 * Description of the modularity of a classpath.
 * <p>
 * A classpath is a list of JAR files, classes and resources folders passed to one of the JDK's commands like javac, java, or javadoc.