export interface RepoMessageStatus {
    type?: string;
    reason?: string;
}
export interface RepoMessageContent {
    type: string;
    text?: string;
    [key: string]: unknown;
}
export interface RepoMessage {
    id?: string;
    role?: string;
    status?: RepoMessageStatus;
    content?: string | RepoMessageContent[];
    metadata?: Record<string, unknown>;
    createdAt?: Date | string | number;
    [key: string]: unknown;
}
export interface RepoEntry {
    parentId?: string | null;
    message?: RepoMessage;
    id?: string;
    role?: string;
    status?: RepoMessageStatus;
    content?: string | RepoMessageContent[];
    [key: string]: unknown;
}
export interface NormalizedRepo {
    messages?: RepoEntry[];
    headId?: string;
    queuedMessages?: unknown[];
    [key: string]: unknown;
}
export declare function getRepoMessages(repo: NormalizedRepo | null | undefined): RepoEntry[];
export declare function getRepoMessage(entry: RepoEntry): RepoMessage | null;
export declare function getAssistantRunDurationMs(message: {
    metadata?: unknown;
} | null | undefined): number | null;
export declare function withLastAssistantRunDuration<T extends NormalizedRepo>(repo: T, durationMs: number | null | undefined): T;
export declare function dedupeRepoMessagesById<T extends NormalizedRepo>(repo: T | null | undefined): T | null | undefined;
export declare function dropEmptyAssistantMessages<T extends NormalizedRepo>(repo: T | null | undefined): T | null | undefined;
export declare function isAssistantMessageTerminal(message: RepoMessage | null): boolean;
export declare function repoHasAssistantMessage(repo: NormalizedRepo | null | undefined): boolean;
export declare function shouldImportServerThreadData(currentRepo: NormalizedRepo | null | undefined, incomingRepo: NormalizedRepo | null | undefined): boolean;