def get_request_validator(restApiId=None, requestValidatorId=None):
    """
    Gets a  RequestValidator of a given  RestApi .
    See also: AWS API Documentation
    
    
    :example: response = client.get_request_validator(
        restApiId='string',
        requestValidatorId='string'
    )
    
    
    :type restApiId: string
    :param restApiId: [REQUIRED]
            [Required] The identifier of the RestApi to which the specified RequestValidator belongs.
            

    :type requestValidatorId: string
    :param requestValidatorId: [REQUIRED]
            [Required] The identifier of the RequestValidator to be retrieved.
            

    :rtype: dict
    :return: {
        'id': 'string',
        'name': 'string',
        'validateRequestBody': True|False,
        'validateRequestParameters': True|False
    }
    
    
    """
    pass
