'use strict'

const assert = require('assert')

function ESAPI (opts) {
  assert(opts.makeRequest, 'Missing makeRequest function')
  assert(opts.ConfigurationError, 'Missing ConfigurationError class')
  assert(opts.result, 'Missing default result object')

  const apis = {
    bulk: lazyLoad('./api/bulk.js', opts),
    cat: {
      aliases: lazyLoad('./api/cat.aliases.js', opts),
      allocation: lazyLoad('./api/cat.allocation.js', opts),
      count: lazyLoad('./api/cat.count.js', opts),
      fielddata: lazyLoad('./api/cat.fielddata.js', opts),
      health: lazyLoad('./api/cat.health.js', opts),
      help: lazyLoad('./api/cat.help.js', opts),
      indices: lazyLoad('./api/cat.indices.js', opts),
      master: lazyLoad('./api/cat.master.js', opts),
      nodeattrs: lazyLoad('./api/cat.nodeattrs.js', opts),
      nodes: lazyLoad('./api/cat.nodes.js', opts),
      pending_tasks: lazyLoad('./api/cat.pending_tasks.js', opts),
      pendingTasks: lazyLoad('./api/cat.pending_tasks.js', opts),
      plugins: lazyLoad('./api/cat.plugins.js', opts),
      recovery: lazyLoad('./api/cat.recovery.js', opts),
      repositories: lazyLoad('./api/cat.repositories.js', opts),
      segments: lazyLoad('./api/cat.segments.js', opts),
      shards: lazyLoad('./api/cat.shards.js', opts),
      snapshots: lazyLoad('./api/cat.snapshots.js', opts),
      tasks: lazyLoad('./api/cat.tasks.js', opts),
      templates: lazyLoad('./api/cat.templates.js', opts),
      thread_pool: lazyLoad('./api/cat.thread_pool.js', opts),
      threadPool: lazyLoad('./api/cat.thread_pool.js', opts)
    },
    ccr: {
      delete_auto_follow_pattern: lazyLoad('./api/ccr.delete_auto_follow_pattern.js', opts),
      deleteAutoFollowPattern: lazyLoad('./api/ccr.delete_auto_follow_pattern.js', opts),
      follow: lazyLoad('./api/ccr.follow.js', opts),
      follow_stats: lazyLoad('./api/ccr.follow_stats.js', opts),
      followStats: lazyLoad('./api/ccr.follow_stats.js', opts),
      get_auto_follow_pattern: lazyLoad('./api/ccr.get_auto_follow_pattern.js', opts),
      getAutoFollowPattern: lazyLoad('./api/ccr.get_auto_follow_pattern.js', opts),
      pause_follow: lazyLoad('./api/ccr.pause_follow.js', opts),
      pauseFollow: lazyLoad('./api/ccr.pause_follow.js', opts),
      put_auto_follow_pattern: lazyLoad('./api/ccr.put_auto_follow_pattern.js', opts),
      putAutoFollowPattern: lazyLoad('./api/ccr.put_auto_follow_pattern.js', opts),
      resume_follow: lazyLoad('./api/ccr.resume_follow.js', opts),
      resumeFollow: lazyLoad('./api/ccr.resume_follow.js', opts),
      stats: lazyLoad('./api/ccr.stats.js', opts),
      unfollow: lazyLoad('./api/ccr.unfollow.js', opts)
    },
    clear_scroll: lazyLoad('./api/clear_scroll.js', opts),
    clearScroll: lazyLoad('./api/clear_scroll.js', opts),
    cluster: {
      allocation_explain: lazyLoad('./api/cluster.allocation_explain.js', opts),
      allocationExplain: lazyLoad('./api/cluster.allocation_explain.js', opts),
      get_settings: lazyLoad('./api/cluster.get_settings.js', opts),
      getSettings: lazyLoad('./api/cluster.get_settings.js', opts),
      health: lazyLoad('./api/cluster.health.js', opts),
      pending_tasks: lazyLoad('./api/cluster.pending_tasks.js', opts),
      pendingTasks: lazyLoad('./api/cluster.pending_tasks.js', opts),
      put_settings: lazyLoad('./api/cluster.put_settings.js', opts),
      putSettings: lazyLoad('./api/cluster.put_settings.js', opts),
      remote_info: lazyLoad('./api/cluster.remote_info.js', opts),
      remoteInfo: lazyLoad('./api/cluster.remote_info.js', opts),
      reroute: lazyLoad('./api/cluster.reroute.js', opts),
      state: lazyLoad('./api/cluster.state.js', opts),
      stats: lazyLoad('./api/cluster.stats.js', opts)
    },
    count: lazyLoad('./api/count.js', opts),
    create: lazyLoad('./api/create.js', opts),
    delete: lazyLoad('./api/delete.js', opts),
    delete_by_query: lazyLoad('./api/delete_by_query.js', opts),
    deleteByQuery: lazyLoad('./api/delete_by_query.js', opts),
    delete_by_query_rethrottle: lazyLoad('./api/delete_by_query_rethrottle.js', opts),
    deleteByQueryRethrottle: lazyLoad('./api/delete_by_query_rethrottle.js', opts),
    delete_script: lazyLoad('./api/delete_script.js', opts),
    deleteScript: lazyLoad('./api/delete_script.js', opts),
    exists: lazyLoad('./api/exists.js', opts),
    exists_source: lazyLoad('./api/exists_source.js', opts),
    existsSource: lazyLoad('./api/exists_source.js', opts),
    explain: lazyLoad('./api/explain.js', opts),
    field_caps: lazyLoad('./api/field_caps.js', opts),
    fieldCaps: lazyLoad('./api/field_caps.js', opts),
    get: lazyLoad('./api/get.js', opts),
    get_script: lazyLoad('./api/get_script.js', opts),
    getScript: lazyLoad('./api/get_script.js', opts),
    get_source: lazyLoad('./api/get_source.js', opts),
    getSource: lazyLoad('./api/get_source.js', opts),
    ilm: {
      delete_lifecycle: lazyLoad('./api/ilm.delete_lifecycle.js', opts),
      deleteLifecycle: lazyLoad('./api/ilm.delete_lifecycle.js', opts),
      explain_lifecycle: lazyLoad('./api/ilm.explain_lifecycle.js', opts),
      explainLifecycle: lazyLoad('./api/ilm.explain_lifecycle.js', opts),
      get_lifecycle: lazyLoad('./api/ilm.get_lifecycle.js', opts),
      getLifecycle: lazyLoad('./api/ilm.get_lifecycle.js', opts),
      get_status: lazyLoad('./api/ilm.get_status.js', opts),
      getStatus: lazyLoad('./api/ilm.get_status.js', opts),
      move_to_step: lazyLoad('./api/ilm.move_to_step.js', opts),
      moveToStep: lazyLoad('./api/ilm.move_to_step.js', opts),
      put_lifecycle: lazyLoad('./api/ilm.put_lifecycle.js', opts),
      putLifecycle: lazyLoad('./api/ilm.put_lifecycle.js', opts),
      remove_policy: lazyLoad('./api/ilm.remove_policy.js', opts),
      removePolicy: lazyLoad('./api/ilm.remove_policy.js', opts),
      retry: lazyLoad('./api/ilm.retry.js', opts),
      start: lazyLoad('./api/ilm.start.js', opts),
      stop: lazyLoad('./api/ilm.stop.js', opts)
    },
    index: lazyLoad('./api/index.js', opts),
    indices: {
      analyze: lazyLoad('./api/indices.analyze.js', opts),
      clear_cache: lazyLoad('./api/indices.clear_cache.js', opts),
      clearCache: lazyLoad('./api/indices.clear_cache.js', opts),
      close: lazyLoad('./api/indices.close.js', opts),
      create: lazyLoad('./api/indices.create.js', opts),
      delete: lazyLoad('./api/indices.delete.js', opts),
      delete_alias: lazyLoad('./api/indices.delete_alias.js', opts),
      deleteAlias: lazyLoad('./api/indices.delete_alias.js', opts),
      delete_template: lazyLoad('./api/indices.delete_template.js', opts),
      deleteTemplate: lazyLoad('./api/indices.delete_template.js', opts),
      exists: lazyLoad('./api/indices.exists.js', opts),
      exists_alias: lazyLoad('./api/indices.exists_alias.js', opts),
      existsAlias: lazyLoad('./api/indices.exists_alias.js', opts),
      exists_template: lazyLoad('./api/indices.exists_template.js', opts),
      existsTemplate: lazyLoad('./api/indices.exists_template.js', opts),
      exists_type: lazyLoad('./api/indices.exists_type.js', opts),
      existsType: lazyLoad('./api/indices.exists_type.js', opts),
      flush: lazyLoad('./api/indices.flush.js', opts),
      flush_synced: lazyLoad('./api/indices.flush_synced.js', opts),
      flushSynced: lazyLoad('./api/indices.flush_synced.js', opts),
      forcemerge: lazyLoad('./api/indices.forcemerge.js', opts),
      freeze: lazyLoad('./api/indices.freeze.js', opts),
      get: lazyLoad('./api/indices.get.js', opts),
      get_alias: lazyLoad('./api/indices.get_alias.js', opts),
      getAlias: lazyLoad('./api/indices.get_alias.js', opts),
      get_field_mapping: lazyLoad('./api/indices.get_field_mapping.js', opts),
      getFieldMapping: lazyLoad('./api/indices.get_field_mapping.js', opts),
      get_mapping: lazyLoad('./api/indices.get_mapping.js', opts),
      getMapping: lazyLoad('./api/indices.get_mapping.js', opts),
      get_settings: lazyLoad('./api/indices.get_settings.js', opts),
      getSettings: lazyLoad('./api/indices.get_settings.js', opts),
      get_template: lazyLoad('./api/indices.get_template.js', opts),
      getTemplate: lazyLoad('./api/indices.get_template.js', opts),
      get_upgrade: lazyLoad('./api/indices.get_upgrade.js', opts),
      getUpgrade: lazyLoad('./api/indices.get_upgrade.js', opts),
      open: lazyLoad('./api/indices.open.js', opts),
      put_alias: lazyLoad('./api/indices.put_alias.js', opts),
      putAlias: lazyLoad('./api/indices.put_alias.js', opts),
      put_mapping: lazyLoad('./api/indices.put_mapping.js', opts),
      putMapping: lazyLoad('./api/indices.put_mapping.js', opts),
      put_settings: lazyLoad('./api/indices.put_settings.js', opts),
      putSettings: lazyLoad('./api/indices.put_settings.js', opts),
      put_template: lazyLoad('./api/indices.put_template.js', opts),
      putTemplate: lazyLoad('./api/indices.put_template.js', opts),
      recovery: lazyLoad('./api/indices.recovery.js', opts),
      refresh: lazyLoad('./api/indices.refresh.js', opts),
      rollover: lazyLoad('./api/indices.rollover.js', opts),
      segments: lazyLoad('./api/indices.segments.js', opts),
      shard_stores: lazyLoad('./api/indices.shard_stores.js', opts),
      shardStores: lazyLoad('./api/indices.shard_stores.js', opts),
      shrink: lazyLoad('./api/indices.shrink.js', opts),
      split: lazyLoad('./api/indices.split.js', opts),
      stats: lazyLoad('./api/indices.stats.js', opts),
      unfreeze: lazyLoad('./api/indices.unfreeze.js', opts),
      update_aliases: lazyLoad('./api/indices.update_aliases.js', opts),
      updateAliases: lazyLoad('./api/indices.update_aliases.js', opts),
      upgrade: lazyLoad('./api/indices.upgrade.js', opts),
      validate_query: lazyLoad('./api/indices.validate_query.js', opts),
      validateQuery: lazyLoad('./api/indices.validate_query.js', opts)
    },
    info: lazyLoad('./api/info.js', opts),
    ingest: {
      delete_pipeline: lazyLoad('./api/ingest.delete_pipeline.js', opts),
      deletePipeline: lazyLoad('./api/ingest.delete_pipeline.js', opts),
      get_pipeline: lazyLoad('./api/ingest.get_pipeline.js', opts),
      getPipeline: lazyLoad('./api/ingest.get_pipeline.js', opts),
      processor_grok: lazyLoad('./api/ingest.processor_grok.js', opts),
      processorGrok: lazyLoad('./api/ingest.processor_grok.js', opts),
      put_pipeline: lazyLoad('./api/ingest.put_pipeline.js', opts),
      putPipeline: lazyLoad('./api/ingest.put_pipeline.js', opts),
      simulate: lazyLoad('./api/ingest.simulate.js', opts)
    },
    mget: lazyLoad('./api/mget.js', opts),
    ml: {
      close_job: lazyLoad('./api/ml.close_job.js', opts),
      closeJob: lazyLoad('./api/ml.close_job.js', opts),
      delete_calendar: lazyLoad('./api/ml.delete_calendar.js', opts),
      deleteCalendar: lazyLoad('./api/ml.delete_calendar.js', opts),
      delete_calendar_event: lazyLoad('./api/ml.delete_calendar_event.js', opts),
      deleteCalendarEvent: lazyLoad('./api/ml.delete_calendar_event.js', opts),
      delete_calendar_job: lazyLoad('./api/ml.delete_calendar_job.js', opts),
      deleteCalendarJob: lazyLoad('./api/ml.delete_calendar_job.js', opts),
      delete_datafeed: lazyLoad('./api/ml.delete_datafeed.js', opts),
      deleteDatafeed: lazyLoad('./api/ml.delete_datafeed.js', opts),
      delete_expired_data: lazyLoad('./api/ml.delete_expired_data.js', opts),
      deleteExpiredData: lazyLoad('./api/ml.delete_expired_data.js', opts),
      delete_filter: lazyLoad('./api/ml.delete_filter.js', opts),
      deleteFilter: lazyLoad('./api/ml.delete_filter.js', opts),
      delete_forecast: lazyLoad('./api/ml.delete_forecast.js', opts),
      deleteForecast: lazyLoad('./api/ml.delete_forecast.js', opts),
      delete_job: lazyLoad('./api/ml.delete_job.js', opts),
      deleteJob: lazyLoad('./api/ml.delete_job.js', opts),
      delete_model_snapshot: lazyLoad('./api/ml.delete_model_snapshot.js', opts),
      deleteModelSnapshot: lazyLoad('./api/ml.delete_model_snapshot.js', opts),
      find_file_structure: lazyLoad('./api/ml.find_file_structure.js', opts),
      findFileStructure: lazyLoad('./api/ml.find_file_structure.js', opts),
      flush_job: lazyLoad('./api/ml.flush_job.js', opts),
      flushJob: lazyLoad('./api/ml.flush_job.js', opts),
      forecast: lazyLoad('./api/ml.forecast.js', opts),
      get_buckets: lazyLoad('./api/ml.get_buckets.js', opts),
      getBuckets: lazyLoad('./api/ml.get_buckets.js', opts),
      get_calendar_events: lazyLoad('./api/ml.get_calendar_events.js', opts),
      getCalendarEvents: lazyLoad('./api/ml.get_calendar_events.js', opts),
      get_calendars: lazyLoad('./api/ml.get_calendars.js', opts),
      getCalendars: lazyLoad('./api/ml.get_calendars.js', opts),
      get_categories: lazyLoad('./api/ml.get_categories.js', opts),
      getCategories: lazyLoad('./api/ml.get_categories.js', opts),
      get_datafeed_stats: lazyLoad('./api/ml.get_datafeed_stats.js', opts),
      getDatafeedStats: lazyLoad('./api/ml.get_datafeed_stats.js', opts),
      get_datafeeds: lazyLoad('./api/ml.get_datafeeds.js', opts),
      getDatafeeds: lazyLoad('./api/ml.get_datafeeds.js', opts),
      get_filters: lazyLoad('./api/ml.get_filters.js', opts),
      getFilters: lazyLoad('./api/ml.get_filters.js', opts),
      get_influencers: lazyLoad('./api/ml.get_influencers.js', opts),
      getInfluencers: lazyLoad('./api/ml.get_influencers.js', opts),
      get_job_stats: lazyLoad('./api/ml.get_job_stats.js', opts),
      getJobStats: lazyLoad('./api/ml.get_job_stats.js', opts),
      get_jobs: lazyLoad('./api/ml.get_jobs.js', opts),
      getJobs: lazyLoad('./api/ml.get_jobs.js', opts),
      get_model_snapshots: lazyLoad('./api/ml.get_model_snapshots.js', opts),
      getModelSnapshots: lazyLoad('./api/ml.get_model_snapshots.js', opts),
      get_overall_buckets: lazyLoad('./api/ml.get_overall_buckets.js', opts),
      getOverallBuckets: lazyLoad('./api/ml.get_overall_buckets.js', opts),
      get_records: lazyLoad('./api/ml.get_records.js', opts),
      getRecords: lazyLoad('./api/ml.get_records.js', opts),
      info: lazyLoad('./api/ml.info.js', opts),
      open_job: lazyLoad('./api/ml.open_job.js', opts),
      openJob: lazyLoad('./api/ml.open_job.js', opts),
      post_calendar_events: lazyLoad('./api/ml.post_calendar_events.js', opts),
      postCalendarEvents: lazyLoad('./api/ml.post_calendar_events.js', opts),
      post_data: lazyLoad('./api/ml.post_data.js', opts),
      postData: lazyLoad('./api/ml.post_data.js', opts),
      preview_datafeed: lazyLoad('./api/ml.preview_datafeed.js', opts),
      previewDatafeed: lazyLoad('./api/ml.preview_datafeed.js', opts),
      put_calendar: lazyLoad('./api/ml.put_calendar.js', opts),
      putCalendar: lazyLoad('./api/ml.put_calendar.js', opts),
      put_calendar_job: lazyLoad('./api/ml.put_calendar_job.js', opts),
      putCalendarJob: lazyLoad('./api/ml.put_calendar_job.js', opts),
      put_datafeed: lazyLoad('./api/ml.put_datafeed.js', opts),
      putDatafeed: lazyLoad('./api/ml.put_datafeed.js', opts),
      put_filter: lazyLoad('./api/ml.put_filter.js', opts),
      putFilter: lazyLoad('./api/ml.put_filter.js', opts),
      put_job: lazyLoad('./api/ml.put_job.js', opts),
      putJob: lazyLoad('./api/ml.put_job.js', opts),
      revert_model_snapshot: lazyLoad('./api/ml.revert_model_snapshot.js', opts),
      revertModelSnapshot: lazyLoad('./api/ml.revert_model_snapshot.js', opts),
      start_datafeed: lazyLoad('./api/ml.start_datafeed.js', opts),
      startDatafeed: lazyLoad('./api/ml.start_datafeed.js', opts),
      stop_datafeed: lazyLoad('./api/ml.stop_datafeed.js', opts),
      stopDatafeed: lazyLoad('./api/ml.stop_datafeed.js', opts),
      update_datafeed: lazyLoad('./api/ml.update_datafeed.js', opts),
      updateDatafeed: lazyLoad('./api/ml.update_datafeed.js', opts),
      update_filter: lazyLoad('./api/ml.update_filter.js', opts),
      updateFilter: lazyLoad('./api/ml.update_filter.js', opts),
      update_job: lazyLoad('./api/ml.update_job.js', opts),
      updateJob: lazyLoad('./api/ml.update_job.js', opts),
      update_model_snapshot: lazyLoad('./api/ml.update_model_snapshot.js', opts),
      updateModelSnapshot: lazyLoad('./api/ml.update_model_snapshot.js', opts),
      validate: lazyLoad('./api/ml.validate.js', opts),
      validate_detector: lazyLoad('./api/ml.validate_detector.js', opts),
      validateDetector: lazyLoad('./api/ml.validate_detector.js', opts)
    },
    monitoring: {
      bulk: lazyLoad('./api/monitoring.bulk.js', opts)
    },
    msearch: lazyLoad('./api/msearch.js', opts),
    msearch_template: lazyLoad('./api/msearch_template.js', opts),
    msearchTemplate: lazyLoad('./api/msearch_template.js', opts),
    mtermvectors: lazyLoad('./api/mtermvectors.js', opts),
    nodes: {
      hot_threads: lazyLoad('./api/nodes.hot_threads.js', opts),
      hotThreads: lazyLoad('./api/nodes.hot_threads.js', opts),
      info: lazyLoad('./api/nodes.info.js', opts),
      reload_secure_settings: lazyLoad('./api/nodes.reload_secure_settings.js', opts),
      reloadSecureSettings: lazyLoad('./api/nodes.reload_secure_settings.js', opts),
      stats: lazyLoad('./api/nodes.stats.js', opts),
      usage: lazyLoad('./api/nodes.usage.js', opts)
    },
    ping: lazyLoad('./api/ping.js', opts),
    put_script: lazyLoad('./api/put_script.js', opts),
    putScript: lazyLoad('./api/put_script.js', opts),
    rank_eval: lazyLoad('./api/rank_eval.js', opts),
    rankEval: lazyLoad('./api/rank_eval.js', opts),
    reindex: lazyLoad('./api/reindex.js', opts),
    reindex_rethrottle: lazyLoad('./api/reindex_rethrottle.js', opts),
    reindexRethrottle: lazyLoad('./api/reindex_rethrottle.js', opts),
    render_search_template: lazyLoad('./api/render_search_template.js', opts),
    renderSearchTemplate: lazyLoad('./api/render_search_template.js', opts),
    scripts_painless_execute: lazyLoad('./api/scripts_painless_execute.js', opts),
    scriptsPainlessExecute: lazyLoad('./api/scripts_painless_execute.js', opts),
    scroll: lazyLoad('./api/scroll.js', opts),
    search: lazyLoad('./api/search.js', opts),
    search_shards: lazyLoad('./api/search_shards.js', opts),
    searchShards: lazyLoad('./api/search_shards.js', opts),
    search_template: lazyLoad('./api/search_template.js', opts),
    searchTemplate: lazyLoad('./api/search_template.js', opts),
    security: {
      authenticate: lazyLoad('./api/security.authenticate.js', opts),
      change_password: lazyLoad('./api/security.change_password.js', opts),
      changePassword: lazyLoad('./api/security.change_password.js', opts),
      clear_cached_realms: lazyLoad('./api/security.clear_cached_realms.js', opts),
      clearCachedRealms: lazyLoad('./api/security.clear_cached_realms.js', opts),
      clear_cached_roles: lazyLoad('./api/security.clear_cached_roles.js', opts),
      clearCachedRoles: lazyLoad('./api/security.clear_cached_roles.js', opts),
      delete_privileges: lazyLoad('./api/security.delete_privileges.js', opts),
      deletePrivileges: lazyLoad('./api/security.delete_privileges.js', opts),
      delete_role: lazyLoad('./api/security.delete_role.js', opts),
      deleteRole: lazyLoad('./api/security.delete_role.js', opts),
      delete_role_mapping: lazyLoad('./api/security.delete_role_mapping.js', opts),
      deleteRoleMapping: lazyLoad('./api/security.delete_role_mapping.js', opts),
      delete_user: lazyLoad('./api/security.delete_user.js', opts),
      deleteUser: lazyLoad('./api/security.delete_user.js', opts),
      disable_user: lazyLoad('./api/security.disable_user.js', opts),
      disableUser: lazyLoad('./api/security.disable_user.js', opts),
      enable_user: lazyLoad('./api/security.enable_user.js', opts),
      enableUser: lazyLoad('./api/security.enable_user.js', opts),
      get_privileges: lazyLoad('./api/security.get_privileges.js', opts),
      getPrivileges: lazyLoad('./api/security.get_privileges.js', opts),
      get_role: lazyLoad('./api/security.get_role.js', opts),
      getRole: lazyLoad('./api/security.get_role.js', opts),
      get_role_mapping: lazyLoad('./api/security.get_role_mapping.js', opts),
      getRoleMapping: lazyLoad('./api/security.get_role_mapping.js', opts),
      get_token: lazyLoad('./api/security.get_token.js', opts),
      getToken: lazyLoad('./api/security.get_token.js', opts),
      get_user: lazyLoad('./api/security.get_user.js', opts),
      getUser: lazyLoad('./api/security.get_user.js', opts),
      get_user_privileges: lazyLoad('./api/security.get_user_privileges.js', opts),
      getUserPrivileges: lazyLoad('./api/security.get_user_privileges.js', opts),
      has_privileges: lazyLoad('./api/security.has_privileges.js', opts),
      hasPrivileges: lazyLoad('./api/security.has_privileges.js', opts),
      invalidate_token: lazyLoad('./api/security.invalidate_token.js', opts),
      invalidateToken: lazyLoad('./api/security.invalidate_token.js', opts),
      put_privileges: lazyLoad('./api/security.put_privileges.js', opts),
      putPrivileges: lazyLoad('./api/security.put_privileges.js', opts),
      put_role: lazyLoad('./api/security.put_role.js', opts),
      putRole: lazyLoad('./api/security.put_role.js', opts),
      put_role_mapping: lazyLoad('./api/security.put_role_mapping.js', opts),
      putRoleMapping: lazyLoad('./api/security.put_role_mapping.js', opts),
      put_user: lazyLoad('./api/security.put_user.js', opts),
      putUser: lazyLoad('./api/security.put_user.js', opts)
    },
    snapshot: {
      create: lazyLoad('./api/snapshot.create.js', opts),
      create_repository: lazyLoad('./api/snapshot.create_repository.js', opts),
      createRepository: lazyLoad('./api/snapshot.create_repository.js', opts),
      delete: lazyLoad('./api/snapshot.delete.js', opts),
      delete_repository: lazyLoad('./api/snapshot.delete_repository.js', opts),
      deleteRepository: lazyLoad('./api/snapshot.delete_repository.js', opts),
      get: lazyLoad('./api/snapshot.get.js', opts),
      get_repository: lazyLoad('./api/snapshot.get_repository.js', opts),
      getRepository: lazyLoad('./api/snapshot.get_repository.js', opts),
      restore: lazyLoad('./api/snapshot.restore.js', opts),
      status: lazyLoad('./api/snapshot.status.js', opts),
      verify_repository: lazyLoad('./api/snapshot.verify_repository.js', opts),
      verifyRepository: lazyLoad('./api/snapshot.verify_repository.js', opts)
    },
    ssl: {
      certificates: lazyLoad('./api/ssl.certificates.js', opts)
    },
    tasks: {
      cancel: lazyLoad('./api/tasks.cancel.js', opts),
      get: lazyLoad('./api/tasks.get.js', opts),
      list: lazyLoad('./api/tasks.list.js', opts)
    },
    termvectors: lazyLoad('./api/termvectors.js', opts),
    update: lazyLoad('./api/update.js', opts),
    update_by_query: lazyLoad('./api/update_by_query.js', opts),
    updateByQuery: lazyLoad('./api/update_by_query.js', opts),
    update_by_query_rethrottle: lazyLoad('./api/update_by_query_rethrottle.js', opts),
    updateByQueryRethrottle: lazyLoad('./api/update_by_query_rethrottle.js', opts),
    xpack: {
      graph: {
        explore: lazyLoad('./api/xpack.graph.explore.js', opts)
      },
      info: lazyLoad('./api/xpack.info.js', opts),
      license: {
        delete: lazyLoad('./api/xpack.license.delete.js', opts),
        get: lazyLoad('./api/xpack.license.get.js', opts),
        get_basic_status: lazyLoad('./api/xpack.license.get_basic_status.js', opts),
        getBasicStatus: lazyLoad('./api/xpack.license.get_basic_status.js', opts),
        get_trial_status: lazyLoad('./api/xpack.license.get_trial_status.js', opts),
        getTrialStatus: lazyLoad('./api/xpack.license.get_trial_status.js', opts),
        post: lazyLoad('./api/xpack.license.post.js', opts),
        post_start_basic: lazyLoad('./api/xpack.license.post_start_basic.js', opts),
        postStartBasic: lazyLoad('./api/xpack.license.post_start_basic.js', opts),
        post_start_trial: lazyLoad('./api/xpack.license.post_start_trial.js', opts),
        postStartTrial: lazyLoad('./api/xpack.license.post_start_trial.js', opts)
      },
      migration: {
        deprecations: lazyLoad('./api/xpack.migration.deprecations.js', opts),
        get_assistance: lazyLoad('./api/xpack.migration.get_assistance.js', opts),
        getAssistance: lazyLoad('./api/xpack.migration.get_assistance.js', opts),
        upgrade: lazyLoad('./api/xpack.migration.upgrade.js', opts)
      },
      rollup: {
        delete_job: lazyLoad('./api/xpack.rollup.delete_job.js', opts),
        deleteJob: lazyLoad('./api/xpack.rollup.delete_job.js', opts),
        get_jobs: lazyLoad('./api/xpack.rollup.get_jobs.js', opts),
        getJobs: lazyLoad('./api/xpack.rollup.get_jobs.js', opts),
        get_rollup_caps: lazyLoad('./api/xpack.rollup.get_rollup_caps.js', opts),
        getRollupCaps: lazyLoad('./api/xpack.rollup.get_rollup_caps.js', opts),
        get_rollup_index_caps: lazyLoad('./api/xpack.rollup.get_rollup_index_caps.js', opts),
        getRollupIndexCaps: lazyLoad('./api/xpack.rollup.get_rollup_index_caps.js', opts),
        put_job: lazyLoad('./api/xpack.rollup.put_job.js', opts),
        putJob: lazyLoad('./api/xpack.rollup.put_job.js', opts),
        rollup_search: lazyLoad('./api/xpack.rollup.rollup_search.js', opts),
        rollupSearch: lazyLoad('./api/xpack.rollup.rollup_search.js', opts),
        start_job: lazyLoad('./api/xpack.rollup.start_job.js', opts),
        startJob: lazyLoad('./api/xpack.rollup.start_job.js', opts),
        stop_job: lazyLoad('./api/xpack.rollup.stop_job.js', opts),
        stopJob: lazyLoad('./api/xpack.rollup.stop_job.js', opts)
      },
      sql: {
        clear_cursor: lazyLoad('./api/xpack.sql.clear_cursor.js', opts),
        clearCursor: lazyLoad('./api/xpack.sql.clear_cursor.js', opts),
        query: lazyLoad('./api/xpack.sql.query.js', opts),
        translate: lazyLoad('./api/xpack.sql.translate.js', opts)
      },
      usage: lazyLoad('./api/xpack.usage.js', opts),
      watcher: {
        ack_watch: lazyLoad('./api/xpack.watcher.ack_watch.js', opts),
        ackWatch: lazyLoad('./api/xpack.watcher.ack_watch.js', opts),
        activate_watch: lazyLoad('./api/xpack.watcher.activate_watch.js', opts),
        activateWatch: lazyLoad('./api/xpack.watcher.activate_watch.js', opts),
        deactivate_watch: lazyLoad('./api/xpack.watcher.deactivate_watch.js', opts),
        deactivateWatch: lazyLoad('./api/xpack.watcher.deactivate_watch.js', opts),
        delete_watch: lazyLoad('./api/xpack.watcher.delete_watch.js', opts),
        deleteWatch: lazyLoad('./api/xpack.watcher.delete_watch.js', opts),
        execute_watch: lazyLoad('./api/xpack.watcher.execute_watch.js', opts),
        executeWatch: lazyLoad('./api/xpack.watcher.execute_watch.js', opts),
        get_watch: lazyLoad('./api/xpack.watcher.get_watch.js', opts),
        getWatch: lazyLoad('./api/xpack.watcher.get_watch.js', opts),
        put_watch: lazyLoad('./api/xpack.watcher.put_watch.js', opts),
        putWatch: lazyLoad('./api/xpack.watcher.put_watch.js', opts),
        start: lazyLoad('./api/xpack.watcher.start.js', opts),
        stats: lazyLoad('./api/xpack.watcher.stats.js', opts),
        stop: lazyLoad('./api/xpack.watcher.stop.js', opts)
      }
    }
  }

  return apis
}

// It's unlikely that a user needs all of our APIs,
// and since require is a sync operation that takes time
// (given the amount of APIs we have), let's lazy load them,
// so a given API file will be required only
// if the user actually needs that API.
// The following implementation takes advantage
// of js closures to have a simple cache with the least overhead.
function lazyLoad (file, opts) {
  var fn = null
  return function _lazyLoad (params, options, callback) {
    if (fn === null) {
      fn = require(file)(opts)
    }
    return fn(params, options, callback)
  }
}

module.exports = ESAPI