A Relay request document, as generated in the *.graphql WhatsApp modules.
fetchQuery only reads params from it — the operation is sent to MEX as a
persisted query (params.id + variables), which is why params.text is
always null in WhatsApp's own documents.
A Relay request document, as generated in the
*.graphqlWhatsApp modules.fetchQueryonly readsparamsfrom it — the operation is sent to MEX as a persisted query (params.id+ variables), which is whyparams.textis alwaysnullin WhatsApp's own documents.