this.projectSettingsSource = projectSettingsSource;
            return this;
        }

        public SettingsBuilderRequestBuilder userSettingsSource(Source userSettingsSource) {
            this.userSettingsSource = userSettingsSource;
            return this;
        }

        public SettingsBuilderRequestBuilder interpolationSource(UnaryOperator<String> interpolationSource) {

     */
    @Nonnull
    default SettingsBuilderResult build(
            @Nonnull Session session, @Nonnull Source installationSettingsSource, @Nonnull Source userSettingsSource) {
        return build(session, installationSettingsSource, null, userSettingsSource);
    }

    /**
     * Builds the effective settings of the specified settings paths.
     *
     * @return the result of the settings building, never {@code null}