import type { CliIO } from './types';
/**
 * A decorative splash is only appropriate when stdout is a real terminal —
 * never in CI, nor when output is piped/redirected (there it would be noise or
 * would corrupt captured output). Gates on stdout (not stdin's `interactive`):
 * `grafeo init > file` and `grafeo init | tee` must NOT leak the ANSI art.
 */
export declare function shouldShowSplash(io: CliIO): boolean;
/**
 * Print the grafeo-ogm logo splash. No-op unless interactive (see
 * shouldShowSplash). Honors NO_COLOR by emitting the wordmark uncolored.
 * Routed through io.out so it stays unit-testable.
 */
export declare function printSplash(io: CliIO): void;
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