Recursively search for and process the specified environments. Arguments are
consumed according to the signature specified. The body is processed
with the specified processContent function (if given). Any specified renderInfo
is attached to the environment node.
Recursively search for and process the specified environments. Arguments are consumed according to the
signaturespecified. The body is processed with the specifiedprocessContentfunction (if given). Any specifiedrenderInfois attached to the environment node.