function getNormalizedName(node, sourceCode) {
  if (node.key.argument == null) {
    return 'default'
  }
  return node.key.modifiers.length === 0
    ? sourceCode.getText(node.key.argument)
    : sourceCode.text.slice(node.key.argument.range[0], node.key.range[1])
}
Get the normalized name of a given `v-slot` directive node with modifiers after `v-slot:` directive.
@param {VDirective} node The `v-slot` directive node.
@param {SourceCode} sourceCode The source code.
@returns {string} The normalized name.