old_contents: import gql from 'graphql-tag';
  
  export default gql`
    mutation createChannelMutation($title: String!) {
      create_channel(input: { title: $title }) {
        channel {
          id: slug
          href
          title
        }
      }
    }
  `;
  
new_contents: import gql from 'graphql-tag';
  
  export default gql`
    mutation createChannelMutation($title: String!, $visibility: ChannelVisibility = PRIVATE) {
      create_channel(input: { title: $title, visibility: $visibility }) {
        channel {
          id: slug
          href
          title
        }
      }
    }
  `;
  
subject: Make channel private by default