import org.gradle.tooling.provider.model.ToolingModelBuilder
            import org.gradle.api.Project

            class MyModelBuilder implements ToolingModelBuilder {
                boolean canBuild(String modelName) {
                    return modelName == "${BaseModel.name}"
                }
                Object buildAll(String modelName, Project project) {

    public BasicIdeaModelBuilder(IdeaModelBuilderInternal ideaModelBuilder) {
        this.ideaModelBuilder = ideaModelBuilder;
    }

    @Override
    public boolean canBuild(String modelName) {
        return modelName.equals("org.gradle.tooling.model.idea.BasicIdeaProject");
    }

    @Override
    public DefaultIdeaProject buildAll(String modelName, Project project) {

    PublicationsBuilder(ProjectPublicationRegistry publicationRegistry) {
        this.publicationRegistry = publicationRegistry;
    }

    @Override
    public boolean canBuild(String modelName) {
        return modelName.equals("org.gradle.tooling.model.gradle.ProjectPublications");
    }

    @Override
    public Object buildAll(String modelName, Project project) {

    @Override
    public Class<PluginApplyingParameter> getParameterType() {
        return PluginApplyingParameter.class;
    }

    @Override
    public boolean canBuild(String modelName) {
        return modelName.equals(MODEL_NAME);
    }

    @Override
    public Object buildAll(String modelName, PluginApplyingParameter parameter, Project project) {

import org.gradle.tooling.provider.model.ToolingModelBuilder;

import java.util.ArrayList;
import java.util.List;

public class RunEclipseTasksBuilder implements ToolingModelBuilder {

    @Override
    public boolean canBuild(String modelName) {
        return isSyncModel(modelName) || isAutoBuildModel(modelName);
    }

    @Override
    public Object buildAll(String modelName, Project project) {

    CustomThing findThing(String name) { return INSTANCE }
}

class CustomThing implements Serializable {
}

class CustomBuilder implements ToolingModelBuilder {
    boolean canBuild(String modelName) {
        return modelName == '${CustomModel.name}'
    }
    Object buildAll(String modelName, Project project) {
        return new CustomModel()
    }
}

import org.gradle.tooling.provider.model.ToolingModelBuilder
import javax.inject.Inject

class CustomModel implements Serializable {
    String value
}
class CustomBuilder implements ToolingModelBuilder {
    boolean canBuild(String modelName) {
        return modelName == 'org.gradle.integtests.tooling.r16.CustomModel'
    }
    Object buildAll(String modelName, Project project) {
        return new CustomModel(value: project.path)
    }
}

    @Override
    public Class<IdeaModelParameter> getParameterType() {
        return IdeaModelParameter.class;
    }

    @Override
    public boolean canBuild(String modelName) {
        return modelName.equals(IsolatedIdeaModuleInternal.class.getName());
    }

    @Override

    apply plugin: CustomPlugin
}

class CustomArtifactModel implements Serializable {
    List<File> files
    Exception failure
}

class CustomBuilder implements ToolingModelBuilder {
    boolean canBuild(String modelName) {
        return modelName == '${CustomArtifactModel.name}'
    }
    Object buildAll(String modelName, Project project) {
        try {

        }
    }
}

class CustomThing implements Serializable {
    byte[] payload = new byte[1024 * 1024]
}

class CustomBuilder implements ToolingModelBuilder {
    boolean canBuild(String modelName) {
        return modelName == '${CustomModel.name}'
    }
    Object buildAll(String modelName, Project project) {
        return new CustomModel(50)
    }
}