/** The `@deepseek-ai/dsh-llm` surface the facades forward to. */
export interface LlmModule {
    createUserMessage?: (input: unknown) => unknown;
    deepFreeze?: <T>(value: T) => T;
    /** Streaming content-block assembler; surfaced through `dshLoader.dsh.llm`. */
    BlockAssembler?: unknown;
}
/** The `llm` facade exposed on the host API. */
export interface LlmAPI {
    /**
     * Build one identified, frozen user-role message.
     *
     * @param input - complete content and source for a new user message.
     * @returns the immutable message.
     * @throws when `@deepseek-ai/dsh-llm` is unavailable — callers building a
     *   message have no meaningful fallback, so this fails loudly rather than
     *   handing back something the agent loop would reject.
     */
    createUserMessage(input: unknown): unknown;
    /**
     * Deep-freeze a value with dsh's own helper (so frozen-ness matches what the
     * runtime expects). Falls back to `Object.freeze` on the top level when the
     * module is unavailable.
     */
    deepFreeze<T>(value: T): T;
}
/** Build the `ctx.dshLoader.llm` facade. */
export declare function createLlmAPI(opts: {
    module?: LlmModule;
}): LlmAPI;