How to use the @aurelia/jit.AttrSyntax function in @aurelia/jit

public ['PART.attr'](rawName: string, rawValue: string, parts: string[]): AttrSyntax {
    return new AttrSyntax(rawName, rawValue, parts[0], 'attr');
  }
}

this.prototype[bindPattern] = function (rawName, rawValue, parts) {
            return new AttrSyntax(rawName, rawValue, parts[1], bindPattern);
        };
    }

[attribute](rawName, rawValue, parts) {
        return new AttrSyntax(rawName, rawValue, '', attribute);
    }
};

this.prototype[alias] = function (rawName: string, rawValue: string, parts: string[]): AttrSyntax {
      return new AttrSyntax(rawName, rawValue, '', alias);
    };
  }

this.prototype[bindPattern] = function (rawName, rawValue, parts) {
                return new jit_1.AttrSyntax(rawName, rawValue, parts[1], bindPattern);
            };
        }

['style.PART'](rawName, rawValue, parts) {
        return new AttrSyntax(rawName, rawValue, parts[1], 'style');
    }
    ['PART.style'](rawName, rawValue, parts) {

public [attribute](rawName: string, rawValue: string, parts: string[]): AttrSyntax {
    return new AttrSyntax(rawName, rawValue, '', attribute);
  }
}

['class.PART'](rawName, rawValue, parts) {
        return new AttrSyntax(rawName, rawValue, parts[1], 'class');
    }
    ['PART.class'](rawName, rawValue, parts) {

this.prototype[alias] = function (rawName, rawValue, parts) {
            return new AttrSyntax(rawName, rawValue, '', alias);
        };
    }

['style.PART'](rawName, rawValue, parts) {
        return new AttrSyntax(rawName, rawValue, parts[1], 'style');
    }
    ['PART.style'](rawName, rawValue, parts) {