How to use the @theia/editor/lib/browser.EDITOR_FONT_DEFAULTS.fontSize function in @theia/editor

},
        'terminal.enablePaste': {
            type: 'boolean',
            description: 'Enable ctrl-v (cmd-v on macOS) to paste from clipboard',
            default: true
        },
        'terminal.integrated.fontFamily': {
            type: 'string',
            description: 'Controls the font family of the terminal.',
            default: EDITOR_FONT_DEFAULTS.fontFamily
        },
        'terminal.integrated.fontSize': {
            type: 'number',
            description: 'Controls the font size in pixels of the terminal.',
            minimum: 6,
            default: EDITOR_FONT_DEFAULTS.fontSize
        },
        'terminal.integrated.fontWeight': {
            type: 'string',
            enum: ['normal', 'bold', '100', '200', '300', '400', '500', '600', '700', '800', '900'],
            description: 'The font weight to use within the terminal for non-bold text.',
            default: 'normal'
        },
        'terminal.integrated.fontWeightBold': {
            type: 'string',
            enum: ['normal', 'bold', '100', '200', '300', '400', '500', '600', '700', '800', '900'],
            description: 'The font weight to use within the terminal for bold text.',
            default: 'bold'
        },
        'terminal.integrated.letterSpacing': {
            description: 'Controls the letter spacing of the terminal, this is an integer value which represents the amount of additional pixels to add between characters.',
            type: 'number',