code: function(linesImagesPaths, linePath, lineWidth, lineHeight, horizontally, lineQuality) {
      return function(callback) {
        self.aggregate(
          linesImagesPaths,
          linePath,
          lineWidth,
          lineHeight,
          horizontally,
          lineQuality,
          temporaryDirectoryPath,
          callback
        );
      };
    }
docs: Creates sprite lines by aggregating images.
  
  @param {Array} linesImagesPaths The list of images paths to aggregate
  @param {String} linePath The path of the image to generate
  @param {Number} lineWidth The line width (in px)
  @param {Number} lineHeight The line height (in px)
  @param {Boolean} horizontally true to create an horizontal line, false to create a vertical line
  @param {Number} lineQuality The line quality from 0 to 100 (default to 90 with 100 the best)
  @return {Function} The async function of the operation