*/
public toString(): string {
let result = '';
for (const [key, value] of map) {
result += `${' '.repeat(depth)}${key}: `;
if (value instanceof Map) {
result += '\n' + printMap(value, depth + 1);
} else {
result += `${value}\n`;
}
}
return result;
};
return printMap(this._data, 0);
}
}