Type alias RenderAPI

RenderAPI: {
    headers: IncomingHttpHeaders;
    logger: Logger;
    trace: TraceCallback;
}

The API exposed for use during a render operation.

headers: IncomingHttpHeaders
A dict of headers that've come from the client.

Access of these headers should be tracked and a Vary header should be set based on their access (even if they don't exist).
Readonly logger: Logger
A logger to use for logging during the render operation.
Readonly trace: TraceCallback
Callback to start a trace session for tracing an operation.