use serde::{Deserialize, Serialize};
#[derive(Deserialize, Serialize, Debug, Clone, PartialEq)]
pub struct Marker {
#[serde(rename = "cm")]
#[serde(skip_serializing_if = "Option::is_none")]
pub comment: Option<String>,
#[serde(rename = "tm")]
#[serde(skip_serializing_if = "Option::is_none")]
pub time: Option<f64>,
#[serde(rename = "dr")]
#[serde(skip_serializing_if = "Option::is_none")]
pub duration: Option<f64>,
}