/** JSON reader tool plugin: syntax validation and bounded JSON Pointer selection. */
import Schema from "@deepseek-ai/schemastery";
export declare const name = "croco-document-reader-json";
export declare const inject: string[];
export interface Config {
    maxOutputChars: number;
}
export declare const Config: Schema<Config>;
/** Validate a JSON document and return the selected value. */
export declare function readJsonDocument(args: any, exec: any, config: Config): Promise<{
    path: string;
    size: number;
    pointer: string;
    json: string;
    truncated: boolean;
}>;
/** Register the JSON reader tool. */
export declare function apply(ctx: any, config: Config): void;