/** Chat slash commands offered on Tab when the line is `/…`. */
export declare const ASK_SLASH_COMMANDS: readonly ["/help", "/clear", "/new", "/agent", "/cancel", "/exit"];
export type AskCompleter = (line: string) => [string[], string];
/** What a `/…` token turned out to be. */
export type SlashTokenKind = "command" | "path" | "unknown";
/**
 * Decide whether a `/…` token is a chat command, a filesystem path, or
 * neither.
 *
 * The completer and the slash parser both need this answer, and they must
 * agree: anything the completer offers has to be accepted when the user
 * presses Enter on it. Written twice, the two drifted — `/tmp` completed as a
 * path and was then answered with "is not a chat command".
 *
 * Shape settles most tokens, but a bare `/word` is ambiguous: `/tmp` and
 * `/orchestration` are spelled the same. Only the filesystem separates them,
 * so an unknown word is looked up — cheap, and reached only for a single
 * bare word that no command matches.
 */
export declare function classifySlashToken(token: string): SlashTokenKind;
/** Max rows shown in the live Ask suggestion menu. */
export declare const ASK_COMPLETION_MENU_LIMIT = 8;
/**
 * Tab completer for the Ask prompt: slash commands when the line is `/…`,
 * otherwise local path completion for a path-like last token.
 */
export declare function createAskCompleter(cwd: string): AskCompleter;
/**
 * Matches for the live suggestion menu (slash commands, else path hits).
 * Empty when the line is plain prose.
 */
export declare function listCompletions(line: string, cwd: string): string[];
/**
 * Replace the completed span with `completion`: whole line for slash
 * commands, last token for paths.
 */
export declare function applyCompletion(line: string, completion: string): string;
/**
 * `/hel` → `/help`. Only when the whole line is a single `/token` (no spaces)
 * and it matches a chat command prefix. `/tmp` falls through to path completion.
 */
export declare function completeSlash(line: string): [string[], string] | undefined;
/**
 * Complete the last whitespace-separated token when it looks like a path.
 * Exported for tests.
 */
export declare function completePath(line: string, cwd: string): [string[], string];
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