text: import warning from '../utils/warning'
  
  function verify(selector, methodName, displayName) {
    if (!selector) {
      throw new Error(`Unexpected value for ${methodName} in ${displayName}.`)
    } else if (
      methodName === 'mapStateToProps' ||
      methodName === 'mapDispatchToProps'
    ) {
      if (!Object.prototype.hasOwnProperty.call(selector, 'dependsOnOwnProps')) {
        warning(
          `The selector for ${methodName} of ${displayName} did not specify a value for dependsOnOwnProps.`
        )
      }
    }
  }
  
  export default function verifySubselectors(
    mapStateToProps,
    mapDispatchToProps,
    mergeProps,
    displayName
  ) {
    verify(mapStateToProps, 'mapStateToProps', displayName)
    verify(mapDispatchToProps, 'mapDispatchToProps', displayName)
    verify(mergeProps, 'mergeProps', displayName)
  }
  