Smooth Font example on WIO Terminal Class "no member named 'loadFont"

I was taking the WIO Terminal Basics class specifically the “Displaying Fonts on LCD”
I typed, and double checked what I typed to test a SMOOTH FONT. I even copied the code from the wiki site discussing smooth fonts with the same errors.
I am sure it is something obviously overlooked.

I keep getting the compilation error:
class TFT_eSPI’ has no member named ‘loadFont’; did you mean ‘gfxFont’?
The compilation also gave the following errors, related?
sketch\Smooth_font.h:14:1: error: ‘virtual’ outside class declaration
virtual void drawGlyph(uint16_t code);
^~~~~~~
sketch\Smooth_font.h:43:1: error: expected unqualified-id before ‘private’
private:
^~~~~~~
Documents\Arduino\WIO Terminal\smoothFont_example\smoothFont_example.ino: In function ‘void setup()’:
smoothFont_example:24:7: error: ‘class TFT_eSPI’ has no member named ‘loadFont’; did you mean ‘gfxFont’?
tft.loadFont(“Cambria-12”);
^~~~~~~~
gfxFont
smoothFont_example:25:7: error: ‘class TFT_eSPI’ has no member named ‘showFont’; did you mean ‘gfxFont’?
tft.showFont(uint32_t td);
^~~~~~~~
gfxFont

Hi @geschmierer

You may checkout our Wio Terminal Classroom for more tutorial. The smooth font lesson is within the font lesson here : https://www.youtube.com/watch?v=aZ9LYoS8w24&t

Yes, That is the class I was taking. However, when I tried to duplicate the same smooth font example,code, mine gave the compilation error as stated previously. I wanted to know what I may have left out in order to compile without errors