/**
 * render-diagnostic — the host-owned human renderer for {@link CliDiagnostic}s
 * (ADR-0060, Phase 2). One standard stderr format for bootstrap/setup
 * diagnostics; detailed raw errors stay in structured logs (`logRef`).
 */
import type { CliDiagnostic } from '@opensip-cli/contracts';
/** Host seam for stderr delivery — keeps the renderer testable without Ink. */
export interface DiagnosticRenderHost {
    readonly writeStderr: (text: string) => void;
}
/**
 * Materialize one diagnostic as the canonical human line + indented detail block.
 */
export declare function renderDiagnosticHuman(diag: CliDiagnostic): string;
/**
 * Render buffered diagnostics to stderr through the supplied host only — the one
 * sanctioned human presentation seam for bootstrap diagnostics.
 */
export declare function renderDiagnosticsHuman(diags: readonly CliDiagnostic[], host: DiagnosticRenderHost): void;
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