/** Serialize a bulb's blocks back into `.bulb.md` text. */
import { type SubscriptKind } from './registry.js';
export type BulbSource = {
    name: string;
} & Partial<Record<SubscriptKind, string | null>>;
/** Serialize a bulb to `.bulb.md` text: YAML frontmatter then one `**filename**` block per present kind. */
export declare function serializeBulb(source: BulbSource): string;
/**
 * Replace one block's fence content in existing `.bulb.md` text, surgically — everything else
 * (frontmatter beyond format/name, inter-block prose, block order) is preserved verbatim, which a
 * parse→serialize round trip would lose. Appends the block at the end when absent. The fence grows
 * if the new content carries a longer backtick run; an unterminated block is left untouched.
 */
export declare function replaceBulbBlock(content: string, kind: SubscriptKind, newContent: string): string;
/**
 * Remove one block — header, fence, and content — from existing `.bulb.md` text, surgically: the
 * deletion counterpart of `replaceBulbBlock`, preserving everything else verbatim. The blank run
 * that separated the block from what follows goes with it, so removal leaves no gap. An absent or
 * unterminated block returns the input unchanged (a caller tells the two apart by checking presence
 * first, as `typebulb put` does).
 */
export declare function removeBulbBlock(content: string, kind: SubscriptKind): string;
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