readConfig_ method Null safety

ConfigParams readConfig_(
  1. String? correlationId,
  2. String path,
  3. ConfigParams parameters
)

Reads configuration from a file, parameterize it with given values and returns a new ConfigParams object.

  • correlationId (optional) transaction id to trace execution through call chain.
  • file a path to configuration file.
  • parameters values to parameters the configuration or null to skip parameterization. Return callback function that receives configuration or error.