RenderModelSystem = ref RenderModelSystemObj

proc newRenderModelSystem(): RenderModelSystem {...}{.raises: [], tags: [].}

method initialize(self: RenderModelSystem) {...}{.locks: "unknown", raises: [],
    tags: [].}

method draw(self: RenderModelSystem; injected_camera: Camera) {...}{.
    raises: [KeyError], tags: [].}

method hasNecessaryComponents(self: RenderModelSystem; entity: Entity;
                              components: seq[Component]): bool {...}{.
    raises: [KeyError], tags: [].}