/** Slash-command parsing and completion candidates shared by the composer and help panel. */
import type { CommandDescriptor } from '@deepseek-ai/dsh-commands';
import { type MessageKey } from './i18n.ts';
import type { SkillRow } from './skills.ts';
/** One TUI-owned slash command: label plus its i18n description key. */
export interface LocalCommand {
    readonly label: string;
    readonly descriptionKey: MessageKey;
}
/** One source of truth for TUI-owned slash commands in completion and `/help`. */
export declare const LOCAL_COMMANDS: readonly LocalCommand[];
export declare const LOCAL_COMMAND_NAMES: ReadonlySet<string>;
/** TUI-local commands that reject trailing input instead of forwarding it as a prompt. */
export declare const BARE_LOCAL_COMMANDS: ReadonlySet<string>;
/** Split a slash line into the command name and any trailing input. */
export declare function slashNameAndArgs(text: string): {
    readonly name: string;
    readonly args: string;
} | undefined;
/** One completion candidate row. */
export interface CompletionCandidate {
    readonly label: string;
    readonly description: string;
    readonly origin: 'command' | 'skill' | 'mention';
}
/** Wrap one completion-menu cursor step; an empty menu keeps the index at zero. */
export declare function stepCompletionIndex(index: number, delta: number, count: number): number;
/** Merge local commands, registry descriptors, and skills using dispatch shadowing order. */
export declare function completionCandidates(value: string, descriptors: readonly CommandDescriptor[], skills: readonly SkillRow[]): readonly CompletionCandidate[];