import type { ToolContext } from "@strands-agents/sdk";
export type ThoughtEntry = {
    thought: string;
    thoughtNumber: number;
    totalThoughts: number;
    nextThoughtNeeded: boolean;
    isRevision: boolean;
    revisesThought: number | null;
    branchFromThought: number | null;
    branchId: string | null;
    needsMoreThoughts: boolean;
};
export type ThinkingState = {
    history: ThoughtEntry[];
    branches: string[];
};
export declare function readThinkingState(context: ToolContext): ThinkingState;
export declare function writeThinkingState(context: ToolContext, state: ThinkingState): void;