/** What the installed CLI says about itself. */
export interface CliFacts {
    /** Its version, as it prints it, or null when it did not answer. */
    version: string | null;
    /** The model names it documents, or empty when it documents none. */
    models: string[];
}
/**
 * The version, from the CLI's own `--version`.
 *
 * The number is picked out of the line rather than taken from the front of it,
 * because where a CLI puts its own name is its business: one prints
 * `2.1.263 (Claude Code)` and another `codex-cli 0.153.4`, and a parser that
 * took the leading token would answer the second with its whole line. The
 * panel prints this under a label that already names the tool, so repeating
 * the product name there would say it twice.
 *
 * A line with no dotted number in it is handed back whole. That is a CLI
 * versioning itself in a way lookout did not anticipate, and showing what it
 * actually said beats showing nothing.
 */
export declare function cliVersion(bin: string): Promise<string | null>;
/**
 * Everything the panel needs about one installed CLI, asked once.
 *
 * The two questions are independent, so they are asked at the same time: a
 * panel that opened in the time of one subprocess should not take the time of
 * two. Neither can reject.
 */
export declare function probeCli(bin: string): Promise<CliFacts>;