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#pragma once
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#include "envoy/common/pure.h"

            

        

            

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#include "envoy/http/header_map.h"

            

        

            

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namespace Envoy {

            

        

            

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namespace Http {

            

        

            

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/**

            

        

            

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 * Fills headers with a date header.

            

        

            

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 */

            

        

            

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class DateProvider {

            

        

            

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public:

            

        

            

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  virtual ~DateProvider() = default;

            

        

            

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  /**

            

        

            

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   * Set the Date header potentially using a cached value.

            

        

            

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   * @param headers supplies the headers to fill.

            

        

            

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   */

            

        

            

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  virtual void setDateHeader(ResponseHeaderMap& headers) PURE;

            

        

            

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};

            

        

            

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} // namespace Http

            

        

            

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} // namespace Envoy