text: const customPropTypeHandler = require('./customPropTypeHandler');
  const defaultValuesHandler = require('./defaultValuesHandler');
  
  module.exports = (propName, defaultValuePropName) => {
    return [
      customPropTypeHandler(propName),
      defaultValuePropName
        ? defaultValuesHandler(defaultValuePropName, propName)
        : undefined,
    ].filter(Boolean);
  };
  