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A processor that applies a list of child processors to messages of a batch as though they were each a batch of one message.

# Config fields, showing default values
label: ""
for_each: []

This is useful for forcing batch wide processors such as dedupe or interpolations such as the value field of the metadata processor to execute on individual message parts of a batch instead.

Please note that most processors already process per message of a batch, and this processor is not needed in those cases.