How to get remaining and used limits on GitHub GraphQL API

rateLimit.graphql

{
  rateLimit {
    limit
    remaining
    used
    resetAt
  }
  repository(owner: "dotnet", name: "runtime") {
    pullRequests(states: MERGED, first: 50, orderBy: {field: CREATED_AT, direction: DESC}) {
      edges {
        node {
          title
          url
          number
          mergedAt
          reviewDecision
          author {
            login
          }
        }
      }
    }
  }
}