When using `method_missing`, define `respond_to_missing?`. [Style/MissingRespondToMissing]

Use anonymous block forwarding. [Naming/BlockForwarding]

Replace class var :@@options with a class instance var. [Style/ClassVars]

Assignment Branch Condition size for get_items_recursive is too high. [<3, 17, 4> 17.72/17] [Metrics/AbcSize]

Method has too many lines. [14/10] [Metrics/MethodLength]

Use `ENV.fetch('ONEDRIVE_TENANT_ID')` or `ENV.fetch('ONEDRIVE_TENANT_ID', nil)` instead of `ENV['ONEDRIVE_TENANT_ID']`. [Style/FetchEnvVar]

Use `ENV.fetch('ONEDRIVE_CLIENT_ID')` or `ENV.fetch('ONEDRIVE_CLIENT_ID', nil)` instead of `ENV['ONEDRIVE_CLIENT_ID']`. [Style/FetchEnvVar]

Use `ENV.fetch('ONEDRIVE_CLIENT_SECRET')` or `ENV.fetch('ONEDRIVE_CLIENT_SECRET', nil)` instead of `ENV['ONEDRIVE_CLIENT_SECRET']`. [Style/FetchEnvVar]

Use `ENV.fetch('ONEDRIVE_DRIVE_ID')` or `ENV.fetch('ONEDRIVE_DRIVE_ID', nil)` instead of `ENV['ONEDRIVE_DRIVE_ID']`. [Style/FetchEnvVar]

Use `ENV.fetch('ONEDRIVE_TENANT_ID')` or `ENV.fetch('ONEDRIVE_TENANT_ID', nil)` instead of `ENV['ONEDRIVE_TENANT_ID']`. [Style/FetchEnvVar]

Use `ENV.fetch('ONEDRIVE_CLIENT_ID')` or `ENV.fetch('ONEDRIVE_CLIENT_ID', nil)` instead of `ENV['ONEDRIVE_CLIENT_ID']`. [Style/FetchEnvVar]

Use `ENV.fetch('ONEDRIVE_CLIENT_SECRET')` or `ENV.fetch('ONEDRIVE_CLIENT_SECRET', nil)` instead of `ENV['ONEDRIVE_CLIENT_SECRET']`. [Style/FetchEnvVar]

Closing method call brace must be on the line after the last argument when opening brace is on a separate line from the first argument. [Layout/MultilineMethodCallBraceLayout]

Prefer single-quoted strings when you don't need string interpolation or special symbols. [Style/StringLiterals]