code: function getRAMLContext (ramlData, rootFileDir) {
    rootFileDir = rootFileDir || '.'
    const ast = yap.load(ramlData)
    const libraries = extractLibraries(ast, rootFileDir)
    const jsContent = {}
    traverse(jsContent, ast, rootFileDir, libraries)
    return jsContent.types
  }
docs: Get RAML Data Types context.
  
  @param  {string} ramlData - RAML file content.
  @param  {string} rootFileDir - RAML file directory.
  @returns  {Object} - RAML data types context.