public java.util.List<MessageHeader> getHeaders() {
        return headers;
    }
<p>
The list of <a href=
"https://docs.aws.amazon.com/pinpoint/latest/apireference/apps-application-id-campaigns-campaign-id.html#apps-application-id-campaigns-campaign-id-model-messageheader"
>MessageHeaders</a> for the email. You can have up to 15 MessageHeaders for each email.
</p>

@return The list of <a href=
        "https://docs.aws.amazon.com/pinpoint/latest/apireference/apps-application-id-campaigns-campaign-id.html#apps-application-id-campaigns-campaign-id-model-messageheader"
        >MessageHeaders</a> for the email. You can have up to 15 MessageHeaders for each email.
aws-java-sdk-pinpoint/src/main/java/com/amazonaws/services/pinpoint/model/CampaignEmailMessage.java