text: 'use strict'
  
  const tags = {
    // Common
    SERVICE_NAME: 'service.name',
    RESOURCE_NAME: 'resource.name',
    SPAN_TYPE: 'span.type',
    SPAN_KIND: 'span.kind',
    SAMPLING_PRIORITY: 'sampling.priority',
    ANALYTICS: '_dd1.sr.eausr',
    ERROR: 'error',
    MANUAL_KEEP: 'manual.keep',
    MANUAL_DROP: 'manual.drop',
  
    // HTTP
    HTTP_URL: 'http.url',
    HTTP_METHOD: 'http.method',
    HTTP_STATUS_CODE: 'http.status_code',
    HTTP_ROUTE: 'http.route',
    HTTP_REQUEST_HEADERS: 'http.request.headers',
    HTTP_RESPONSE_HEADERS: 'http.response.headers'
  }
  
  // Deprecated
  tags.ANALYTICS_SAMPLE_RATE = tags.ANALYTICS
  
  module.exports = tags
  