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    Variable OTEL_SPAN_ITEM_KEYConst

    OTEL_SPAN_ITEM_KEY: "otel.span" = 'otel.span'

    Attribute key under which the OTel server span is stashed on the per-request RequestContext.items map.

    Downstream middleware/handlers can read this with ctx.items.get(OTEL_SPAN_ITEM_KEY) to attach custom attributes or events to the active server span.