assertNull(options.getCharSet());
        assertNull(options.getDocEncoding());
        assertFalse(options.isKeyWords());
        assertEmpty(options.getTags());
        assertEmpty(options.getTaglets());
        assertEmpty(options.getTagletPath());
        assertFalse(options.isDocFilesSubDirs());
        assertEmpty(options.getExcludeDocFilesSubDir());
        assertEmpty(options.getNoQualifiers());

    }

    /**
     * -taglet class.
     */
    @Nullable @Optional @Input
    public List<String> getTaglets() {
        return taglets.getValue();
    }

    public void setTaglets(@Nullable List<String> taglets) {
        this.taglets.setValue(taglets);
    }

    public StandardJavadocDocletOptions taglets(List<String> taglets) {

Method <org.gradle.external.javadoc.StandardJavadocDocletOptions.getTaglets()> does not have raw return type assignable to org.gradle.api.provider.Property in (StandardJavadocDocletOptions.java:0)