/**
 * OnboardingComposer — pure renderer for .bober/onboarding/ markdown artifacts.
 *
 * Key design invariants:
 * - render() is PURE. No I/O. Same inputs → same outputs.
 * - writeAll() is the ONLY method that touches disk.
 * - Marker convention guards human edits from being overwritten.
 * - All markdown output is GFM-compatible (no extensions).
 */
import type { OnboardingInputs, OnboardingArtifacts } from "./types.js";
export declare class OnboardingComposer {
    /**
     * Pure renderer. Takes typed inputs, returns 5 markdown strings.
     * No I/O. No side effects. Deterministic.
     */
    render(inputs: OnboardingInputs): OnboardingArtifacts;
    /**
     * Write all 5 artifacts to `dir`, creating it if necessary.
     *
     * Marker convention:
     * - File absent → write `${MARKER}\n\n${content}`.
     * - File with marker → preserve everything above, replace below with `${MARKER}\n\n${content}`.
     * - File without marker → throw with clear error (refuse to clobber user content).
     *
     * @param artifacts Result of render()
     * @param dir       Target directory (created if missing)
     */
    writeAll(artifacts: OnboardingArtifacts, dir: string): Promise<void>;
}
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