export declare const AT_FILE_MAX_SIZE_BYTES: number;
export declare const AT_FILE_TOTAL_MAX_BYTES: number;
export interface AtFileBlock {
    type: 'text';
    text: string;
}
export interface AtFileInjectResult {
    fileBlocks: AtFileBlock[];
    warnings: string[];
}
export interface AtFileInjectOpts {
    rootDir?: string;
    homeDir?: string;
    env?: NodeJS.ProcessEnv;
}
export declare function detectAtFileInject(env?: NodeJS.ProcessEnv): boolean;
export declare function expandAtFileTokens(text: string, opts?: AtFileInjectOpts): AtFileInjectResult;