function formatReference(reference) {
  const { identifier } = reference;
  const position = identifier.loc.start;

  return `${identifier.name}(${position.line}:${position.column + 1})`;
}

export default [
  {
    plugins: {
      'test-plugin': {
        rules: {
          'test-rule': {
            create(context) {
              return {
                Program(node) {
                  const globalScope = context.sourceCode.getScope(node);

                  console.log(
                    'Array variable is in the global scope?',
                    globalScope.set.has('Array') &&
                      globalScope.variables.some(({ name }) => name === 'Array')
                  );

                  console.log(
                    'Array variable references in the global scope:',
                    globalScope.set
                      .get('Array')
                      .references.map(formatReference)
                      .join(', ')
                  );

                  console.log(
                    'Array variable is in GlobalScope#implicit?',
                    globalScope.implicit.set.has('Array') &&
                      globalScope.implicit.variables.some(
                        ({ name }) => name === 'Array'
                      )
                  );

                  console.log(
                    'GlobalScope#implicit.left:',
                    globalScope.implicit.left.map(formatReference).join(', ')
                  );
                },
              };
            },
          },
        },
      },
    },
    rules: {
      'test-plugin/test-rule': 2,
    },
    languageOptions: {
      sourceType: 'script',
    },
  },
];