public void setRepositorySyncDefinitions(java.util.Collection<RepositorySyncDefinition> repositorySyncDefinitions) {
        if (repositorySyncDefinitions == null) {
            this.repositorySyncDefinitions = null;
            return;
        }

        this.repositorySyncDefinitions = new java.util.ArrayList<RepositorySyncDefinition>(repositorySyncDefinitions);
    }
<p>
The list of repository sync definitions returned by the request. A <code>RepositorySyncDefinition</code> is a
mapping from a repository branch to all the Amazon Web Services resources that are being synced from that branch.
</p>

@param repositorySyncDefinitions
       The list of repository sync definitions returned by the request. A <code>RepositorySyncDefinition</code>
       is a mapping from a repository branch to all the Amazon Web Services resources that are being synced from
       that branch.
aws-java-sdk-codestarconnections/src/main/java/com/amazonaws/services/codestarconnections/model/ListRepositorySyncDefinitionsResult.java