Constant ADD_RELATES_TO 

pub const ADD_RELATES_TO: &str = "mutation($relate0:AddRelatesToInput!,$send0:Boolean!,$relate1:AddRelatesToInput!,$send1:Boolean!,$relate2:AddRelatesToInput!,$send2:Boolean!,$relate3:AddRelatesToInput!,$send3:Boolean!,$relate4:AddRelatesToInput!,$send4:Boolean!,$relate5:AddRelatesToInput!,$send5:Boolean!,$relate6:AddRelatesToInput!,$send6:Boolean!,$relate7:AddRelatesToInput!,$send7:Boolean!,$relate8:AddRelatesToInput!,$send8:Boolean!,$relate9:AddRelatesToInput!,$send9:Boolean!,$relate10:AddRelatesToInput!,$send10:Boolean!,$relate11:AddRelatesToInput!,$send11:Boolean!,$relate12:AddRelatesToInput!,$send12:Boolean!,$relate13:AddRelatesToInput!,$send13:Boolean!,$relate14:AddRelatesToInput!,$send14:Boolean!,$relate15:AddRelatesToInput!,$send15:Boolean!,$relate16:AddRelatesToInput!,$send16:Boolean!,$relate17:AddRelatesToInput!,$send17:Boolean!,$relate18:AddRelatesToInput!,$send18:Boolean!,$relate19:AddRelatesToInput!,$send19:Boolean!,$relate20:AddRelatesToInput!,$send20:Boolean!,$relate21:AddRelatesToInput!,$send21:Boolean!,$relate22:AddRelatesToInput!,$send22:Boolean!,$relate23:AddRelatesToInput!,$send23:Boolean!,$relate24:AddRelatesToInput!,$send24:Boolean!,$relate25:AddRelatesToInput!,$send25:Boolean!,$relate26:AddRelatesToInput!,$send26:Boolean!,$relate27:AddRelatesToInput!,$send27:Boolean!,$relate28:AddRelatesToInput!,$send28:Boolean!,$relate29:AddRelatesToInput!,$send29:Boolean!,){ relate0:addRelatesTo(input:$relate0) @include(if:$send0){issue{id} relatedIssue{id}} relate1:addRelatesTo(input:$relate1) @include(if:$send1){issue{id} relatedIssue{id}} relate2:addRelatesTo(input:$relate2) @include(if:$send2){issue{id} relatedIssue{id}} relate3:addRelatesTo(input:$relate3) @include(if:$send3){issue{id} relatedIssue{id}} relate4:addRelatesTo(input:$relate4) @include(if:$send4){issue{id} relatedIssue{id}} relate5:addRelatesTo(input:$relate5) @include(if:$send5){issue{id} relatedIssue{id}} relate6:addRelatesTo(input:$relate6) @include(if:$send6){issue{id} relatedIssue{id}} relate7:addRelatesTo(input:$relate7) @include(if:$send7){issue{id} relatedIssue{id}} relate8:addRelatesTo(input:$relate8) @include(if:$send8){issue{id} relatedIssue{id}} relate9:addRelatesTo(input:$relate9) @include(if:$send9){issue{id} relatedIssue{id}} relate10:addRelatesTo(input:$relate10) @include(if:$send10){issue{id} relatedIssue{id}} relate11:addRelatesTo(input:$relate11) @include(if:$send11){issue{id} relatedIssue{id}} relate12:addRelatesTo(input:$relate12) @include(if:$send12){issue{id} relatedIssue{id}} relate13:addRelatesTo(input:$relate13) @include(if:$send13){issue{id} relatedIssue{id}} relate14:addRelatesTo(input:$relate14) @include(if:$send14){issue{id} relatedIssue{id}} relate15:addRelatesTo(input:$relate15) @include(if:$send15){issue{id} relatedIssue{id}} relate16:addRelatesTo(input:$relate16) @include(if:$send16){issue{id} relatedIssue{id}} relate17:addRelatesTo(input:$relate17) @include(if:$send17){issue{id} relatedIssue{id}} relate18:addRelatesTo(input:$relate18) @include(if:$send18){issue{id} relatedIssue{id}} relate19:addRelatesTo(input:$relate19) @include(if:$send19){issue{id} relatedIssue{id}} relate20:addRelatesTo(input:$relate20) @include(if:$send20){issue{id} relatedIssue{id}} relate21:addRelatesTo(input:$relate21) @include(if:$send21){issue{id} relatedIssue{id}} relate22:addRelatesTo(input:$relate22) @include(if:$send22){issue{id} relatedIssue{id}} relate23:addRelatesTo(input:$relate23) @include(if:$send23){issue{id} relatedIssue{id}} relate24:addRelatesTo(input:$relate24) @include(if:$send24){issue{id} relatedIssue{id}} relate25:addRelatesTo(input:$relate25) @include(if:$send25){issue{id} relatedIssue{id}} relate26:addRelatesTo(input:$relate26) @include(if:$send26){issue{id} relatedIssue{id}} relate27:addRelatesTo(input:$relate27) @include(if:$send27){issue{id} relatedIssue{id}} relate28:addRelatesTo(input:$relate28) @include(if:$send28){issue{id} relatedIssue{id}} relate29:addRelatesTo(input:$relate29) @include(if:$send29){issue{id} relatedIssue{id}}}";

Up to RELATION_BATCH relates-to relations added in one request, each relate<n> sent only while $send<n> holds: what a link of a type a source mirrors natively writes beside its metadata.