SetFormatterStr sets the log format to either `json` or `text`.

SetLevelStr sets the log level according to the `level` string parameter.

WithBCID adds BCID and the actorName to the logger.

WithProcessingState adds state information to the logger.

OperationResultError defines the result value for operations failed with normal error.

OperationResultFatal defines the result value for operations failed with fatal error.

OperationResultSuccess defines the result value for successful operations.

Logger is the global logger.

Logger is the global logger.

OperationResult is the type of the possible results of the operations of the business process implementation.