Can we specify other data type in grok processor in the future?

Ingest node is a elegant solution for ingest data. When specify a grok pattern, I have a little trouble.

The syntax for reusing a grok pattern comes in three forms: %{SYNTAX:SEMANTIC}, %{SYNTAX}, %{SYNTAX:SEMANTIC:TYPE}. TYPE is the type you wish to cast your named field, but only int and float are currently supported for coercion.

I wonder that If TYPE have plan to support other data type in the future? Or have other elegant way in which I can specify data type for fields?

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