/**
 * Content-addressed vision statements (design D1).
 *
 * A statement's id is derived from its own text, never from its position. That
 * one choice is what makes a re-run usable: inserting a paragraph leaves every
 * other id alone, editing one changes only its own id, and drift reduces to a
 * set difference. Positional numbering would renumber everything below an
 * insertion and invalidate every citation in `constitution.md`.
 *
 * Requirements: project-constitution/AC-7, project-constitution/AC-8,
 * project-constitution/AC-9
 *
 * @module
 */
import type { Statement } from './types.js';
/**
 * Collapse a text block to its comparable form: trimmed, every run of
 * whitespace (including newlines inside a wrapped paragraph) one space.
 *
 * This is what makes re-wrapping a paragraph in Word a no-op for its id.
 */
export declare function normalize(block: string): string;
/** `V-` plus the first 8 hex characters of sha256 over the normalized text. */
export declare function statementId(normalized: string): string;
/**
 * Split extracted text into statements.
 *
 * A statement is a block separated by one or more blank lines — which is what a
 * paragraph, a heading and a list item each become after extraction. Identical
 * normalized blocks collapse to one statement carrying an occurrence count, so
 * a repeated heading cannot produce two entries sharing an id (AC-9).
 *
 * Order follows first appearance in the source, so the snapshot reads like the
 * document even though ids do not depend on order.
 */
export declare function splitStatements(text: string): Statement[];
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