query IssuesQuery($owner: String!, $name: String!, $pageSize: Int!, $before: String) {
    repository(owner: $owner, name: $name) {
        issues(last: $pageSize, before: $before, states: OPEN) {
            nodes {
                title
                url
            }
            pageInfo {
                hasPreviousPage
                startCursor
            }
        }
    }
}