When writing custom preprocessors, one should create a class that extends this interface and reference it in the manifest of the JAR
under the "Cobol-CobolPreprocessorProvider-Class" property.
This method must be called by a preprocessor when a token has been temporary consumed by this preprocessor but finally must be pushed
back to the LexerOutput.
This method must be called by a preprocessor when some tokens have been temporary consumed by this preprocessor but finally must be
pushed back to the LexerOutput.