@wdio/protocols defines the standard set of WebDriver and WebDriver BiDi commands and data structures. It provides a clear structure for developers and testers interacting with browsers and other automation platforms via the WebDriver protocol. This package underpins WebdriverIO's ability to communicate seamlessly with various browsers and drivers, ensuring consistent and reliable test automation across different environments. It facilitates the proper implementation of browser automation libraries by offering centralized type definitions & protocol specifications.