import { AppMessage } from '../app-message';
import { ChannelIdentity } from '../channel-identity';
import { ContactMessage } from '../contact-message';
import { ConversationDirection, ProcessingMode } from '../enums';
/**
 * A message on a particular channel.
 */
export type ConversationMessage = ConversationAppMessage | ConversationContactMessage;
interface ConversationMessageBase {
    /** Output only. The time Conversation API processed the message. */
    accept_time?: Date;
    /** @see ChannelIdentity */
    channel_identity?: ChannelIdentity;
    /** The ID of the contact. */
    contact_id?: string;
    /** The ID of the conversation. */
    conversation_id?: string;
    /** @see ConversationDirection */
    direction?: ConversationDirection;
    /** The ID of the message. */
    id?: string;
    /** Optional. Metadata associated with the contact. Up to 1024 characters long. */
    metadata?: string;
    /** Output only. Flag for whether this message was injected. */
    injected?: boolean;
    /** For Contact Messages (MO messages), the sender ID represents the recipient to which the message was sent. This may be a phone number (in the case of SMS and MMS) or a unique ID (in the case of WhatsApp). This is field is not supported on all channels, nor is it supported for MT messages. */
    sender_id?: string;
    /** Output only. The processing mode. */
    processing_mode?: ProcessingMode;
    /** @deprecated The status of the message, eventTime of the status and reason if status is failed */
    message_status?: MessageStatus | null;
}
interface MessageStatus {
    /** Status of the message */
    status: Status;
    /** Timestamp at which the current status occurred */
    event_time: Date;
    /** If status is FAILED, reason of failure */
    reason?: string;
}
type Status = 'STATUS_UNSPECIFIED' | 'QUEUED' | 'QUEUED_ON_CHANNEL' | 'DELIVERED' | 'READ' | 'FAILED' | 'SWITCHING_CHANNEL' | 'RECEIVED';
interface ConversationAppMessage extends ConversationMessageBase {
    /** @see AppMessage */
    app_message: AppMessage;
    contact_message?: never;
}
interface ConversationContactMessage extends ConversationMessageBase {
    /** @see ContactMessage */
    contact_message: ContactMessage;
    app_message?: never;
}
export {};