WithConfigOverride applies the config override.

WithIgnoreAndDisallowV1BufWorkYAMLs returns a new FunctionOption that says to ignore dependencies from buf.work.yamls at the root of the bucket, and to also disallow directories with buf.work.yamls to be directly targeted.

WithMessageValidation returns a new FunctionOption that says to validate the message as it is being read.

ExitCodeFileAnnotation is the exit code used when we print file annotations.

ErrFileAnnotation is used when we print file annotations and want to return an error.

ImageWithConfig pairs an Image with lint and breaking configuration.

TODO FUTURE: split up to per-function.