/**
 * repl/slashCommands.ts
 *
 * Handles all slash (/) commands typed in the REPL:
 *   /help, /voice, /speak, /models, /model
 *
 * Returns `true` if the command was handled (caller should re-prompt),
 * returns `false` if the input was not a slash command.
 */
interface ModelSwitchContext {
    currentModel: string;
    cvApiKey: string | undefined;
    engine: any;
    systemInstruction: string;
    tools: any[];
    options: {
        think?: number;
    };
}
export interface SlashCommandResult {
    /** If model was switched, contains the new values */
    modelSwitch?: {
        newModel: string;
        newEngine: any;
    };
}
/**
 * Dispatch a slash command. Returns the result or null if not a slash command.
 * Always returns non-null for slash inputs — caller should re-prompt after.
 */
export declare function handleSlashCommand(input: string, currentModel: string, modelCtx: Omit<ModelSwitchContext, "currentModel">): Promise<SlashCommandResult | null>;
export {};
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