pub fn common_prefixes(mut self, input: crate::model::CommonPrefix) -> Self {
            let mut v = self.common_prefixes.unwrap_or_default();
            v.push(input);
            self.common_prefixes = Some(v);
            self
        }
/// Appends an item to `common_prefixes`.
///
/// To override the contents of this collection use [`set_common_prefixes`](Self::set_common_prefixes).
///
/// <p>All of the keys rolled up into a common prefix count as a single return when calculating the number of returns.</p>
Appends an item to `common_prefixes`.
To override the contents of this collection use [`set_common_prefixes`](Self::set_common_prefixes).

All of the keys rolled up into a common prefix count as a single return when calculating the number of returns.
Appends an item to ` common_prefixes ` . To override the contents of this collection use [ ` set_common_prefixes ` ] ( Self :: set_common_prefixes ) . All of the keys rolled up into a common prefix count as a single return when calculating the number of returns .
pub fn common_prefixes(mut self, input: crate::model::CommonPrefix) -> Self {
            let mut v = self.common_prefixes.unwrap_or_default();
            v.push(input);
            self.common_prefixes = Some(v);
            self
        }
pub fn common_prefixes ( mut self , input : crate :: model :: CommonPrefix ) -> Self { let mut v = self . common_prefixes . unwrap_or_default ( ) ; v . push ( input ) ; self . common_prefixes = Some ( v ) ; self }
Appends an item to `common_prefixes`.
Appends an item to ` common_prefixes ` .
mut self
input
crate::model::CommonPrefix
mut self
input
crate::model::CommonPrefix