docs: function getContentLocatuons(node) {
              const contentStartIndex = node.startTag.range[1]
              const contentEndIndex = node.endTag.range[0]
              const contentText = sourceCode.text.slice(
                  contentStartIndex,
                  contentEndIndex
              )
              const contentFirstIndex = (() => {
                  const index = contentText.search(/\S/u)
                  if (index >= 0) {
                      return index + contentStartIndex
                  }
                  return contentEndIndex
              })()
              const contentLastIndex = (() => {
                  const index = contentText.search(/\S\s*$/gu)
                  if (index >= 0) {
                      return index + contentStartIndex + 1
                  }
                  return contentStartIndex
              })()
  
              return {
                  first: {
                      index: contentFirstIndex,
                      loc: sourceCode.getLocFromIndex(contentFirstIndex),
                  },
                  last: {
                      index: contentLastIndex,
                      loc: sourceCode.getLocFromIndex(contentLastIndex),
                  },
              }
          }