import { SmrtObject } from '@happyvertical/smrt-core';
import { ChatMessageOptions, ChatMessageRole, ChatMessageType } from '../types.js';
/**
 * Chat message. Internal model — all mutations must go through the
 * membership-checked {@link ChatService} (S5 #1392). The generated CRUD surface
 * is read-only (`get`/`list`); `create`/`update`/`delete` are intentionally NOT
 * generated so an authenticated caller cannot write into an arbitrary room via
 * the raw collection routes, bypassing the room-membership authorization in
 * {@link ChatService.sendMessage}.
 */
export declare class ChatMessage extends SmrtObject {
    tenantId: string;
    roomId: string;
    threadId: string | null;
    senderProfileId: string;
    agentSessionId: string | null;
    content: string;
    messageType: ChatMessageType;
    role: ChatMessageRole;
    isEdited: boolean;
    editedAt: Date | null;
    isDeleted: boolean;
    replyToMessageId: string | null;
    metadata: string;
    toolCallData: string | null;
    attachments: string;
    constructor(options?: ChatMessageOptions);
    getAttachments(): Array<{
        id: string;
        filename: string;
        contentType: string;
        size: number;
        url?: string;
    }>;
    setAttachments(items: Array<{
        id: string;
        filename: string;
        contentType: string;
        size: number;
        url?: string;
    }>): void;
    getMetadata(): Record<string, unknown>;
    setMetadata(data: Record<string, unknown>): void;
    getToolCallData(): Record<string, unknown> | null;
    setToolCallData(data: Record<string, unknown> | null): void;
    hasAttachments(): boolean;
    isToolCall(): boolean;
    isToolResult(): boolean;
    isFromAgent(): boolean;
    isSystemMessage(): boolean;
    edit(newContent: string): Promise<void>;
    softDelete(): Promise<void>;
    getPreview(maxLength?: number): string;
}
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