On RubyDoc.info, find the documentation for the 'json' gem, specifically version 2.7.1. Once on the documentation page, locate the `JSON.parse` method and identify its complete signature, including all parameters and their default values, as presented in the documentation.
Navigate to 'https://rubydoc.info/' Click on the 'RubyGems' link. Fill the 'Search Gems' input field with 'json'. Submit the search query (e.g., by pressing Enter). On the search results page, locate the 'json' gem and click on the link for version '2.7.1'. Once on the 'json' gem 2.7.1 documentation page, use the page's search or navigation to find the `JSON.parse` method. Extract the full method signature for `JSON.parse`.
Successfully navigate to the RubyGems index and search for 'json'. Successfully navigate to the documentation page for the 'json' gem, version 2.7.1. Successfully locate the `JSON.parse` method on that page. State the correct full signature of the `JSON.parse` method, including parameters and default values, as found in the documentation (e.g., "parse(source, opts = {}) { |x| ... }").