export type EntityCommentAuthorType = "human" | "agent" | "system";
export type EntityCommentRecord = {
    id: string;
    parent_comment_id: string | null;
    author_type: EntityCommentAuthorType;
    author_id: string;
    author_name: string | null;
    body: string;
    comment_type: string;
    severity: string;
    tags: string[] | null;
    created_at: string;
};
export declare function listEntityComments(entityType: string, entityId: string): EntityCommentRecord[];
export declare function appendEntityComment(input: {
    entityType: string;
    entityId: string;
    body: string;
    commentType?: string | null;
    severity?: string | null;
    tags?: unknown;
    author?: {
        author_type?: EntityCommentAuthorType;
        author_id?: string;
        author_name?: string | null;
    };
}): EntityCommentRecord;
export declare function mergeEntityComments(remote: unknown, local: EntityCommentRecord[]): EntityCommentRecord[];
export declare function clearEntityCommentsStore(): void;