function getPropertyNameText(node) {
      const name = utils.getStaticPropertyName(node)
      if (name) {
        return name
      }
      if (node.computed) {
        const expr = node.type === 'Property' ? node.key : node.property
        const str = context.getSourceCode().getText(expr)
        return `[${str}]`
      }
      return '?unknown?'
    }
@param {MemberExpression|AssignmentProperty} node
@returns {string}