Accepts array builder

x402Version field style 1 (maxAmountRequired)2 (amount) Option A scheme Option A network Option A amount Option A payTo Option A asset Option A resource Option A mimeType Option A maxTimeoutSeconds Option A extra.name Option A extra.version Option A description Option B scheme Option B network Option B amount Option B payTo Option B asset Option B resource Option B mimeType Option B maxTimeoutSeconds Option B extra.name Option B extra.version Option B description