}

                @Override
                protected void generate(Project project) throws IOException {
                    for (sourceSet in project.sourceSets) {
                        mRenderer.builder.subheading sourceSet.name
                        mRenderer.textOutput
                            .withStyle(StyledTextOutput.Style.Identifier)
                            .text("Compile configuration name: ")

public interface TextReportBuilder {
    /**
     * Outputs the heading for the current item. This should be called before any of the {@code item} methods are called.
     */
    void heading(String heading);

    void subheading(String heading);

    <T> void collection(String title, Collection<? extends T> items, ReportRenderer<T, TextReportBuilder> renderer, String elementsPlural);

{header}------------------------------------------------------------
heading
------------------------------------------------------------{normal}

"""
    }

    def "formats subheading"() {
        given:
        builder.subheading("heading")

        expect:
        output.value == """{header}heading
-------{normal}
"""
    }

    def "formats top-level item with structured value"() {

        }
    }

    private void addSubheading(String header) {
        if (hasContent) {
            getTextOutput().println();
        }
        hasContent = true;
        getBuilder().subheading(header);
    }

    /**
     * Marks the end of the tasks for the current project.
     */
    public void completeTasks() {
        if (!currentProjectHasTasks) {

        } else {
            textOutput.println(heading);
            textOutput = new LinePrefixingStyledTextOutput(textOutput, INDENT);
        }
        depth++;
    }

    @Override
    public void subheading(String heading) {
        writeSubheading(heading);
        if (depth == 0) {
            depth = 1;
        }
    }

    private void writeSubheading(String heading) {

[Greek: ge], [Greek: eê], [Greek: êi], [Greek: il], and [Greek: l]G, will be the Spaces which the several Colours (red, orange, yellow, green, blue, indigo, violet) take up. [Illustration: FIG. 4.] [Illustration: FIG. 5.] Now these Intervals or Spaces subtending the Differences of the Refractions of the Rays going to the Limits of those Colours, that is, to the Points M, [Greek: a], [Greek: g], [Greek: e], [Greek: ê], [Greek: i], [Greek: l], G, may without any sensible Error be accounted proportional to...

Spaces which the several Colours (red, orange, yellow, green, blue,
indigo, violet) take up.

[Illustration: FIG. 4.]

[Illustration: FIG. 5.]

Now these Intervals or Spaces subtending the Differences of the
Refractions of the Rays going to the Limits of those Colours, that is,
to the Points M, [Greek: a], [Greek: g], [Greek: e], [Greek: ê], [Greek: