// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
impl super::Client {
    /// Constructs a fluent builder for the [`ModifyDBSubnetGroup`](crate::operation::modify_db_subnet_group::builders::ModifyDBSubnetGroupFluentBuilder) operation.
    ///
    /// - The fluent builder is configurable:
    ///   - [`db_subnet_group_name(impl Into<String>)`](crate::operation::modify_db_subnet_group::builders::ModifyDBSubnetGroupFluentBuilder::db_subnet_group_name) / [`set_db_subnet_group_name(Option<String>)`](crate::operation::modify_db_subnet_group::builders::ModifyDBSubnetGroupFluentBuilder::set_db_subnet_group_name):<br>required: **true**<br><p>The name for the subnet group. This value is stored as a lowercase string. You can't modify the default subnet group.</p> <p>Constraints: Must match the name of an existing <code>DBSubnetGroup</code>. Must not be default.</p> <p>Example: <code>mySubnetgroup</code></p><br>
    ///   - [`db_subnet_group_description(impl Into<String>)`](crate::operation::modify_db_subnet_group::builders::ModifyDBSubnetGroupFluentBuilder::db_subnet_group_description) / [`set_db_subnet_group_description(Option<String>)`](crate::operation::modify_db_subnet_group::builders::ModifyDBSubnetGroupFluentBuilder::set_db_subnet_group_description):<br>required: **false**<br><p>The description for the subnet group.</p><br>
    ///   - [`subnet_ids(impl Into<String>)`](crate::operation::modify_db_subnet_group::builders::ModifyDBSubnetGroupFluentBuilder::subnet_ids) / [`set_subnet_ids(Option<Vec::<String>>)`](crate::operation::modify_db_subnet_group::builders::ModifyDBSubnetGroupFluentBuilder::set_subnet_ids):<br>required: **true**<br><p>The Amazon EC2 subnet IDs for the subnet group.</p><br>
    /// - On success, responds with [`ModifyDbSubnetGroupOutput`](crate::operation::modify_db_subnet_group::ModifyDbSubnetGroupOutput) with field(s):
    ///   - [`db_subnet_group(Option<DbSubnetGroup>)`](crate::operation::modify_db_subnet_group::ModifyDbSubnetGroupOutput::db_subnet_group): <p>Detailed information about a subnet group.</p>
    /// - On failure, responds with [`SdkError<ModifyDBSubnetGroupError>`](crate::operation::modify_db_subnet_group::ModifyDBSubnetGroupError)
    pub fn modify_db_subnet_group(&self) -> crate::operation::modify_db_subnet_group::builders::ModifyDBSubnetGroupFluentBuilder {
        crate::operation::modify_db_subnet_group::builders::ModifyDBSubnetGroupFluentBuilder::new(self.handle.clone())
    }
}