Compiler errors with Parameter Packs

ParameterPacksErrors.swift

import Foundation

struct ResponseTuple<each Response: QueryResponseProtocol> {
	let responses: (repeat each Response)
}

protocol QueryResponseProtocol: Equatable {}

protocol QueryStateAccessing {
	func values<each T: QueryResponseProtocol>(for types: repeat (each T).Type) throws -> (repeat each T)
	// If I instead use a ResponseTuple type for the return, then the compiler is happy when I access the properties
	// 	func values<each T: QueryResponseProtocol>(for types: repeat (each T).Type) throws -> ResponseTuple<repeat each T>
}

struct ShippingResponse: QueryResponseProtocol {
	let service: String
}
struct AspectsResponse: QueryResponseProtocol {
	let aspects: [String]
}
struct PricingResponse: QueryResponseProtocol {
	let price: Decimal
}

struct ShippingServiceRequest {
	typealias ResponseModel = ShippingResponse
	
	init(queryState: QueryStateAccessing) throws {
		let (pricingResponse, aspectsResponse) = try queryState.values(for: PricingResponse.self, AspectsResponse.self)
		_ = pricingResponse.price // this works fine
		// _ = aspectsResponse.aspects // this is a compiler error - Undefined symbol

		// single value is a compiler error
		//		let (pricingResponse) = try queryState.values(for: PricingResponse.self) // this is a compiler error

		// this is a compiler error
		// let results = try queryState.values(for: PricingResponse.self, AspectsResponse.self)
		// _ = results.0

		// happy to use the ResponseTuple type
		// let responseTuple = try queryState.values(for: PricingResponse.self, AspectsResponse.self)
		// _ = responseTuple.responses.1
	}
}