import type { AgentSessionInternalSurface as AgentSession } from "./agent-session-methods.ts";
import type { BranchSummaryEntry } from "./session-manager.ts";
export declare function setSessionName(this: AgentSession, name: string): Promise<void>;
/**
 * Navigate to a different node in the session tree.
 * Unlike fork() which creates a new session file, this stays in the same file.
 *
 * @param targetId The entry ID to navigate to
 * @param options.summarize Whether user wants to summarize abandoned branch
 * @param options.customInstructions Custom instructions for summarizer
 * @param options.replaceInstructions If true, customInstructions replaces the default prompt
 * @param options.label Label to attach to the branch summary entry
 * @returns Result with editorText (if user message) and cancelled status
 */
export declare function navigateTree(this: AgentSession, targetId: string, options?: {
    summarize?: boolean;
    customInstructions?: string;
    replaceInstructions?: boolean;
    label?: string;
}): Promise<{
    editorText?: string;
    cancelled: boolean;
    aborted?: boolean;
    summaryEntry?: BranchSummaryEntry;
}>;
/**
 * Get all user messages from session for fork selector.
 */
export declare function getUserMessagesForForking(this: AgentSession): Array<{
    entryId: string;
    text: string;
}>;
export declare function _extractUserMessageText(this: AgentSession, content: string | Array<{
    type: string;
    text?: string;
}>): string;
/**
 * Get session statistics.
 */
export declare const agentSessionTreeMethods: {
    setSessionName: typeof setSessionName;
    navigateTree: typeof navigateTree;
    getUserMessagesForForking: typeof getUserMessagesForForking;
    _extractUserMessageText: typeof _extractUserMessageText;
};
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