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 // Copyright 2006, 2008 The Apache Software Foundation
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 // Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package org.apache.tapestry5.runtime;
A stateful object that manages the process of rendering a page. Rending a page in Tapestry is based on a command queue.
public interface RenderQueue
Adds the new command to the front of the queue.
    void push(RenderCommand command);

Indicates that a component is starting its render. A stack of active components is used for exception reporting.

resources identifies the component that is rendering
    void startComponent(ComponentResources resources);

Corresponds to startComponent(org.apache.tapestry5.ComponentResources), used to denote when the most recently started component finishes rendering.
    void endComponent();
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