export type PromptCommandExtensionName = "model" | "channels" | "deploy" | "login" | "vc";
/** The slash commands the prompt accepts. */
export type PromptCommand = {
    type: "new";
} | {
    type: "exit";
} | {
    type: "help";
} | {
    type: "loglevel";
    argument: string;
} | {
    type: "extension";
    name: PromptCommandExtensionName;
    argument: string;
};
/**
 * Metadata for one slash command. The registry describes commands — their
 * names, aliases, and discovery copy — it never executes them: dispatch stays
 * with the runner and the prompt-command handler.
 */
export interface PromptCommandSpec {
    /** Canonical name without the slash, e.g. "model". */
    readonly name: string;
    readonly aliases: readonly string[];
    /** One-line discovery copy shown by the typeahead. */
    readonly description: string;
    /** Argument shape shown dim after the name, e.g. "[provider/model]". */
    readonly argumentHint?: string;
    /** Accepts a trailing argument (enables `/name <arg>` parsing). */
    readonly takesArgument: boolean;
    /** Maps a recognized invocation to its parsed command. */
    readonly build: (argument: string) => PromptCommand;
}
/**
 * Every slash command the prompt accepts, in typeahead display order. One
 * module owns the command list so the runner's dispatch, the renderer's
 * transcript-echo suppression, and command discovery cannot drift apart.
 */
export declare const PROMPT_COMMANDS: readonly PromptCommandSpec[];
/**
 * Recognizes the slash commands the prompt accepts. `/new` clears the
 * session and transcript; `/exit` (and `/quit`) terminate the TUI like
 * Ctrl+C; extension commands are dispatched outside the runner. Anything
 * else — including unknown `/text` — is a normal message.
 */
export declare function parsePromptCommand(prompt: string): PromptCommand | null;
/** True for prompts that are commands, which never echo as user messages. */
export declare function isPromptControlCommand(prompt: string): boolean;
/**
 * The table `/help` prints: one line per command — slash name, argument
 * hint, and aliases padded into a column, description after.
 */
export declare function formatPromptCommandHelp(): string;