/**
 * Unified sanitizer for tool outputs before feeding back to model/user.
 *
 * Goal: aggressively remove obvious HTML/anti-bot noise while keeping
 * meaningful textual findings; normalize absolute project paths to `./…`.
 */
export interface ToolResultSanitizerOptions {
    maxChars?: number;
    /** 项目根目录，默认 `process.cwd()` */
    cwd?: string;
}
/**
 * 将文本中的 `cwd` 绝对路径批量替换为以 `.` 开头的相对路径（便于 IM 展示）。
 */
export declare function relativizeCwdPaths(text: string, cwd?: string): string;
export declare const TOOL_RESULT_OMITTED_PLAIN = "Tool returned non-plain control payload; omitted.";
/** 去掉模型误输出的 tool_call / DSML 等标记（保留其余正文） */
export declare function stripHallucinatedToolCalls(text: string): string;
export declare function isOmittedToolSummary(text: string): boolean;
/** 出站需保留完整 base64 JSON，但喂给模型的结果须去掉大二进制字段 */
export declare const MEDIA_TOOL_NAMES_WITH_BINARY_JSON: Set<string>;
export declare function isMediaToolWithBinaryPayload(toolName: string): boolean;
/**
 * 将 generate_image / voice_tts 等工具返回的巨型 base64 JSON 压缩为模型可读摘要，
 * 避免 sanitizeToolResult 截断破坏 JSON，同时不把二进制塞进上下文。
 */
export declare function compactMediaToolJsonForModel(toolName: string, raw: string): string;
/** 解析媒体工具原始 JSON，供 IM 出站合并（勿经 sanitize） */
export declare function parseMediaToolResultForOutbound(toolName: string, raw: string): Record<string, unknown> | string;
export declare function sanitizeToolResult(text: string, options?: ToolResultSanitizerOptions): string;
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