public XSS css(final CssStringEscapeType type, final CssStringEscapeLevel level) {
    this.csslevel = requireNonNull(level, "Level required.");
    this.csstype = requireNonNull(type, "Type required.");
    return this;
  }
public XSS css(final CssStringEscapeType type, final CssStringEscapeLevel level) {
    this.csslevel = requireNonNull(level, "Level required.");
    this.csstype = requireNonNull(type, "Type required.");
    return this;
  }
public XSS css ( final CssStringEscapeType type , final CssStringEscapeLevel level ) { this . csslevel = requireNonNull ( level , "Level required." ) ; this . csstype = requireNonNull ( type , "Type required." ) ; return this ; }
Set CSS escape type and level.

@param type Type.
@param level Level.
@return This module.
Set CSS escape type and level .