old_contents: const { ERROR } = require('../const')
  
  module.exports = {
      rules: {
          'require-jsdoc': [ ERROR, {
              'require': {
                  'FunctionDeclaration': true,
                  'MethodDefinition': true,
                  'ClassDeclaration': true
              }
          }],
          'valid-jsdoc': [ ERROR, {
              'requireParamDescription': false,
              'requireReturnDescription': false,
              'requireReturnType': true,
              'prefer': {
                  'arg': 'param',
                  'argument': 'param',
                  'class': 'constructor',
                  'return': 'returns',
                  'virtual': 'abstract',
              },
              'preferType': {
                  'Boolean': 'boolean',
                  'Number': 'number',
                  'String': 'string',
                  'object': 'Object',
                  'array': 'Array',
                  'function': 'Function',
              }
          }],
      }
  }
new_contents: const { WARN, ERROR } = require('../const')
  
  module.exports = {
      rules: {
          'require-jsdoc': [ WARN, {
              'require': {
                  'FunctionDeclaration': true,
                  'MethodDefinition': true,
                  'ClassDeclaration': true
              }
          }],
          'valid-jsdoc': [ ERROR, {
              'requireParamDescription': false,
              'requireReturnDescription': false,
              'requireReturnType': true,
              'prefer': {
                  'arg': 'param',
                  'argument': 'param',
                  'class': 'constructor',
                  'return': 'returns',
                  'virtual': 'abstract',
              },
              'preferType': {
                  'Boolean': 'boolean',
                  'Number': 'number',
                  'String': 'string',
                  'object': 'Object',
                  'array': 'Array',
                  'function': 'Function',
              }
          }],
      }
  }
subject: Change 'require-jsdoc' rule level from ERROR to WARN