docs: function SCSSLint(inputTree, options) {
    if (!(this instanceof SCSSLint)) {
      return new SCSSLint(inputTree, options);
    }
  
    this.inputTree = inputTree;
    this.options   = options;
    
    this.options.config     = this.options.config || '';
    this.options.format     = _SCSSLint.format(this.options.format);
    this.options.reportFile = this.options.reportFile || '';
    this.options.bundleExec = this.options.bundleExec || false;
  
    _SCSSLint.validate(this.options);
  }