toString(verbose) {
        let output = this.toStringBasics();

        if (verbose) {
            output += `${chalk.yellow('Stack:')} ${this.stack}\n\n`;

            if (this.err && this.err.message) {
                output += `${chalk.green('Original Error Message:')}\n`;
                output += `${chalk.gray('Message:')} ${this.err.message}\n`;
                /* istanbul ignore next */
                if (this.err.stack) {
                    output += `${chalk.gray('Stack:')} ${this.err.stack}\n`;
                }
            }
        }

        return output;
    }
Error message string
@param {boolean} verbose - Whether or not to render verbose errors
@return {string}