tracing/tracing.go
func (p StartParams) WithBufferUsageReportingInterval(bufferUsageReportingInterval float64) *StartParams {
	p.BufferUsageReportingInterval = bufferUsageReportingInterval
	return &p
}
func (p StartParams) WithBufferUsageReportingInterval(bufferUsageReportingInterval float64) *StartParams {
	p.BufferUsageReportingInterval = bufferUsageReportingInterval
	return &p
}
// WithBufferUsageReportingInterval if set, the agent will issue bufferUsage
// events at this interval, specified in milliseconds.