@eslint/config-array is a core utility package for ESLint, designed to manage and resolve ESLint configuration files. It handles the complexities of cascading and merging configuration settings from multiple sources, including .eslintrc.* files, package.json, and command-line arguments. Efficiently creating a single, unified configuration array for ESLint's linting process, it ensures consistent rule application across a project. Perfect for tool authors and advanced ESLint users who need granular control over configuration resolution.