what is accept in header axios code example

Example 1: pass header in axios

const headers = {
  'Content-Type': 'application/json',
  'Authorization': 'JWT fefege...'
}

axios.post(Helper.getUserAPI(), data, {
    headers: headers
  })
  .then((response) => {
    dispatch({
      type: FOUND_USER,
      data: response.data[0]
    })
  })
  .catch((error) => {
    dispatch({
      type: ERROR_FINDING_USER
    })
  })

Example 2: axios set request header

axios.post('http://localhost/M-Experience/resources/GETrends.php',
      {
        firstName: this.name
      },
      {
        headers: { 'Content-Type': 'application/x-www-form-urlencoded' }
      });