AVATAR_SIZE: {
    readonly extra_small: "XS\uFF0848 x 48\uFF09";
    readonly small: "S\uFF0864 x 64\uFF09";
    readonly medium: "M\uFF0888 x 88\uFF09";
    readonly large: "L\uFF08108 x 108\uFF09";
    readonly extra_large: "XL\uFF08128 x 128\uFF09";
}