pub fn caption_sources(mut self, input: crate::model::CaptionSource) -> Self {
            let mut v = self.caption_sources.unwrap_or_default();
            v.push(input);
            self.caption_sources = Some(v);
            self
        }
/// Appends an item to `caption_sources`.
///
/// To override the contents of this collection use [`set_caption_sources`](Self::set_caption_sources).
///
/// <p>Source files for the input sidecar captions used during the transcoding process. To omit all sidecar captions, leave <code>CaptionSources</code> blank.</p>
Appends an item to `caption_sources`.
To override the contents of this collection use [`set_caption_sources`](Self::set_caption_sources).

Source files for the input sidecar captions used during the transcoding process. To omit all sidecar captions, leave CaptionSources blank.
Appends an item to ` caption_sources ` . To override the contents of this collection use [ ` set_caption_sources ` ] ( Self :: set_caption_sources ) . Source files for the input sidecar captions used during the transcoding process . To omit all sidecar captions leave CaptionSources blank .
pub fn caption_sources(mut self, input: crate::model::CaptionSource) -> Self {
            let mut v = self.caption_sources.unwrap_or_default();
            v.push(input);
            self.caption_sources = Some(v);
            self
        }
pub fn caption_sources ( mut self , input : crate :: model :: CaptionSource ) -> Self { let mut v = self . caption_sources . unwrap_or_default ( ) ; v . push ( input ) ; self . caption_sources = Some ( v ) ; self }
Appends an item to `caption_sources`.
Appends an item to ` caption_sources ` .
mut self
input
crate::model::CaptionSource
mut self
input
crate::model::CaptionSource