/**
     * Returns the HTML text to appear in the footer for each page.
     */
    @Nullable @Optional @Input
    public String getFooter() {
        return footer;
    }

    /**
     * Sets the HTML text to appear in the footer for each page.
     */
    public void setFooter(@Nullable String footer) {
        this.footer = footer;
    }

    /**

            options.setEncoding("utf-8");
            options.setDocEncoding("utf-8");
            options.setCharSet("utf-8");

            options.addBooleanOption("-allow-script-in-comments", true);
            options.setFooter("<link rel=\"stylesheet\" href=\"https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/default.min.css\">" +

     */
    @Nullable
    @Optional
    @Input
    public String getFooter() {
        return footer;
    }

    /**
     * Sets footer text for each page (optional).
     *
     * @param footer the footer as HTML
     */
    public void setFooter(@Nullable String footer) {
        this.footer = footer;
    }

    /**

     */
    @Nullable @Optional @Input
    public String getFooter() {
        return footer.getValue();
    }

    public void setFooter(@Nullable String footer) {
        this.footer.setValue(footer);
    }

    public StandardJavadocDocletOptions footer(String footer) {
        setFooter(footer);
        return this;
    }

    /**
     * -bottom text
     * <p>

        assertFalse(options.isAuthor());
        assertFalse(options.isSplitIndex());
        assertNull(options.getWindowTitle());
        assertNull(options.getDocTitle());
        assertNull(options.getFooter());
        assertNull(options.getBottom());
        assertEmpty(options.getLinks());
        assertEmpty(options.getLinksOffline());
        assertFalse(options.isLinkSource());
        assertEmpty(options.getGroups());

                }

                if (options.isUnchecked()) {
                    parameters.getOptions().add("-unchecked");
                }
            }

            String footer = options.getFooter();
            if (footer != null) {
                parameters.getOptions().add("-doc-footer");
                parameters.getOptions().add(footer);
            }

Method <org.gradle.api.tasks.javadoc.Groovydoc.getDocTitle()> does not have raw return type assignable to org.gradle.api.provider.Property in (Groovydoc.java:0)
Method <org.gradle.api.tasks.javadoc.Groovydoc.getFooter()> does not have raw return type assignable to org.gradle.api.provider.Property in (Groovydoc.java:0)

Method <org.gradle.api.tasks.scala.ScalaDocOptions.getDocTitle()> does not have raw return type assignable to org.gradle.api.provider.Property in (ScalaDocOptions.java:0)
Method <org.gradle.api.tasks.scala.ScalaDocOptions.getFooter()> does not have raw return type assignable to org.gradle.api.provider.Property in (ScalaDocOptions.java:0)