pub fn composition(mut self, input: crate::model::Clip) -> Self {
            let mut v = self.composition.unwrap_or_default();
            v.push(input);
            self.composition = Some(v);
            self
        }
/// Appends an item to `composition`.
///
/// To override the contents of this collection use [`set_composition`](Self::set_composition).
///
/// <p>You can create an output file that contains an excerpt from the input file. This excerpt, called a clip, can come from the beginning, middle, or end of the file. The Composition object contains settings for the clips that make up an output file. For the current release, you can only specify settings for a single clip per output file. The Composition object cannot be null.</p>
Appends an item to `composition`.
To override the contents of this collection use [`set_composition`](Self::set_composition).

You can create an output file that contains an excerpt from the input file. This excerpt, called a clip, can come from the beginning, middle, or end of the file. The Composition object contains settings for the clips that make up an output file. For the current release, you can only specify settings for a single clip per output file. The Composition object cannot be null.
Appends an item to ` composition ` . To override the contents of this collection use [ ` set_composition ` ] ( Self :: set_composition ) . You can create an output file that contains an excerpt from the input file . This excerpt called a clip can come from the beginning middle or end of the file . The Composition object contains settings for the clips that make up an output file . For the current release you can only specify settings for a single clip per output file . The Composition object cannot be null .
pub fn composition(mut self, input: crate::model::Clip) -> Self {
            let mut v = self.composition.unwrap_or_default();
            v.push(input);
            self.composition = Some(v);
            self
        }
pub fn composition ( mut self , input : crate :: model :: Clip ) -> Self { let mut v = self . composition . unwrap_or_default ( ) ; v . push ( input ) ; self . composition = Some ( v ) ; self }
Appends an item to `composition`.
Appends an item to ` composition ` .
mut self
input
crate::model::Clip
mut self
input
crate::model::Clip