== [[KStreamWindowAggregateProcessor]] KStreamWindowAggregateProcessor `KStreamWindowAggregateProcessor` is a <<kafka-streams-AbstractProcessor.adoc#, processor>> that is used for...FIXME `KStreamWindowAggregateProcessor` is <<creating-instance, created>> when...FIXME [[creating-instance]] `KStreamWindowAggregateProcessor` takes no arguments when created. === [[init]] Initializing Processor -- `init` Method [source, java] ---- void init(final ProcessorContext context) ---- NOTE: `init` is part of the <<kafka-streams-Processor.adoc#init, Processor Contract>> to initialize the <<kafka-streams-Processor.adoc#, processor>>. `init`...FIXME === [[process]] Processing Record -- `process` Method [source, java] ---- void process(final K key, final V value) ---- NOTE: `process` is part of the <<kafka-streams-Processor.adoc#process, Processor Contract>> to process a single record. `process`...FIXME