export interface MessageSummary {
    /** Unique identifier for the message. */
    id: string;
    /** Current status of the message. */
    status: MessageSummary.Status;
    /** Direction of the message. */
    direction: MessageSummary.Direction;
    /** Protocol type of the message. */
    type: MessageSummary.Type;
    /** Method used to send the message. */
    method: MessageSummary.Method;
    /** Number of segments in the message. */
    numSegments: number;
    /** Cost of the message. */
    cost: number | null;
    /** Sender phone number (E.164) or RCS agent ID. */
    from: string | null;
    /** Recipient phone number in E.164 format. */
    to: string | null;
    /** Message content (SMS text, MMS media, or RCS rich content). */
    content: Record<string, unknown>;
    /** Error details if the message failed. */
    error: Record<string, unknown> | null;
    /** Whether this is a test message. */
    isTest: boolean;
    /** ID of the blast this message belongs to, if any. */
    blastId: string | null;
    /** ISO 8601 timestamp of when the message was sent. */
    sentAt: string | null;
    /** ISO 8601 timestamp of when the message was delivered. */
    deliveredAt: string | null;
    /** ISO 8601 timestamp of when the message was created. */
    createdAt: string;
    /** ISO 8601 timestamp of when the message was last updated. */
    updatedAt: string;
}
export declare namespace MessageSummary {
    /** Current status of the message. */
    const Status: {
        readonly Pending: "PENDING";
        readonly Sent: "SENT";
        readonly SendFailed: "SEND_FAILED";
        readonly Delivered: "DELIVERED";
        readonly DeliveryFailed: "DELIVERY_FAILED";
        readonly Received: "RECEIVED";
        readonly Read: "READ";
        readonly Queued: "QUEUED";
        readonly FallbackSent: "FALLBACK_SENT";
    };
    type Status = (typeof Status)[keyof typeof Status];
    /** Direction of the message. */
    const Direction: {
        readonly Inbound: "INBOUND";
        readonly Outbound: "OUTBOUND";
    };
    type Direction = (typeof Direction)[keyof typeof Direction];
    /** Protocol type of the message. */
    const Type: {
        readonly Sms: "SMS";
        readonly Mms: "MMS";
        readonly Rcs: "RCS";
    };
    type Type = (typeof Type)[keyof typeof Type];
    /** Method used to send the message. */
    const Method: {
        readonly Api: "API";
        readonly Sdk: "SDK";
        readonly Other: "OTHER";
    };
    type Method = (typeof Method)[keyof typeof Method];
}