import { type GrepMatch } from "./shell.js";
/** How much of a command's output comes back inline. Anything longer is
 *  saved and replaced by a preview. */
export declare const MAX_STDOUT_LEN = 2000;
/** What the model gets back for a command's output: short output as
 *  printed, long output saved under `source` (the command that ran) and
 *  replaced by the notice. An empty source means none was given. */
export declare function _keepOutput(text: string, exitCode: number, source?: string): string;
/** The saved output, whole or a slice of lines; the same offset and limit
 *  rules as `read`. */
export declare function _readSpill(name: string, offset: number, limit: number): string;
/** One pattern's matches, when a search names several. */
export type PatternMatches = {
    pattern: string;
    matches: GrepMatch[];
};
/** Lines matching `pattern` in one saved output. With `morePatterns`,
 *  every pattern is searched and the matches come back grouped by pattern,
 *  `maxResults` for each, so one call can cover several topics. */
export declare function _grepSpill(pattern: string, name: string, maxResults: number, morePatterns?: string[]): GrepMatch[] | PatternMatches[];