Gets and sets the property BitRate. 
            
            The bit rate of the video stream in the output file, in kilobits/second. Valid values
                       depend on the values of  CopyC# and
CopyC# and Level
 CopyC#. If
            you specify
CopyC#. If
            you specify                Profile
 CopyC#, Elastic Transcoder uses the detected
            bit rate of the input source. If you            specify a value other than
CopyC#, Elastic Transcoder uses the detected
            bit rate of the input source. If you            specify a value other than auto
 CopyC#,
            we recommend that you specify a value less            than or equal to the maximum
            H.264-compliant value listed for your level and            profile:
CopyC#,
            we recommend that you specify a value less            than or equal to the maximum
            H.264-compliant value listed for your level and            profile:
            auto
Level - Maximum video bit rate in kilobits/second (baseline and main Profile) : maximum video bit rate in kilobits/second (high Profile)
- 1 - 64 : 80
- 1b - 128 : 160
- 1.1 - 192 : 240
- 1.2 - 384 : 480
- 1.3 - 768 : 960
- 2 - 2000 : 2500
- 3 - 10000 : 12500
- 3.1 - 14000 : 17500
- 3.2 - 20000 : 25000
- 4 - 20000 : 25000
- 4.1 - 50000 : 62500
 Declaration Syntax
 Declaration Syntax| C# | 
public string BitRate { get; set; }