import type { AgentDbMessage, AgentMessage } from '../../types/sdk/message';
import type { JSONValue } from '../../types/utils/json';
import { type ToolResultKind, type ToolResultStorageScope } from '../../workspace/tool-result-storage';
import type { WorkspaceFilesystem } from '../../workspace/types';
import { type TokenCounter } from '../model/model-token-counter';
export declare const MAX_MODEL_TOOL_RESULT_TOKENS = 50000;
export declare const EXPIRED_OFFLOADED_TOOL_RESULT: {
    _offloaded: true;
    expired: true;
    message: string;
};
export interface ToolResultGuardStorage extends ToolResultStorageScope {
    filesystem: WorkspaceFilesystem;
}
export interface GuardedToolResult {
    historyOutput: JSONValue;
    wireOutput: unknown;
    truncated: boolean;
    offloaded: boolean;
}
export declare function guardToolResultForModel(output: unknown, tokenCounter?: TokenCounter, storage?: ToolResultGuardStorage, kind?: ToolResultKind): Promise<GuardedToolResult>;
export declare function guardToolErrorForModel(errorText: string, tokenCounter?: TokenCounter, storage?: ToolResultGuardStorage): Promise<string>;
export declare function guardToolMessageForModel(message: AgentMessage, tokenCounter?: TokenCounter, storage?: ToolResultGuardStorage): Promise<AgentMessage>;
export declare function sanitizeOffloadedToolResultsForMemory(messages: AgentDbMessage[]): AgentDbMessage[];