Ash.Type.cast_in_query-question-mark
You're seeing just the callback
cast_in_query-question-mark, go back to Ash.Type module for more information.
Specs
cast_in_query?() :: boolean()
Useful for typed data layers (like ash_postgres) to instruct them not to attempt to cast input values.
You generally won't need this, but it can be an escape hatch for certain cases.