MINOR: sample: Add b64dec sample converter
Add "b64dec" as a new converter which can be used to decode a base64
encoded string into its binary representation. It performs the inverse
operation of the "base64" converter.
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 7f77f4f..edd9e79 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -12410,6 +12410,10 @@
This prefix is followed by a name. The separator is a '.'. The name may only
contain characters 'a-z', 'A-Z', '0-9', '.' and '_'.
+b64dec
+ Converts (decodes) a base64 encoded input string to its binary
+ representation. It performs the inverse operation of base64().
+
base64
Converts a binary input sample to a base64 string. It is used to log or
transfer binary content in a way that can be reliably transferred (eg: