import type { MetadataStyle } from './metadata-style.types.js';
/** The same block, written each of the three ways. */
export declare const BLOCK_FIXTURES: {
    readonly 'hard-break': "Status: pending\\\nType: feat\\\nAssignee: sidarta-veloso";
    readonly list: "- Status: pending\n- Type: feat\n- Assignee: sidarta-veloso";
    readonly plain: "Status: pending\nType: feat\nAssignee: sidarta-veloso";
    /** What the defective version wrote: the break on the last line too. */
    readonly 'hard-break-legacy': "Status: pending\\\nType: feat\\\nAssignee: sidarta-veloso\\";
};
/**
 * Behaviour every {@link MetadataStyle} must have, run once per implementation.
 *
 * Exported as a function rather than declared as tests so the three styles
 * cannot drift from each other: a style that reads only its own marking, or
 * that leaves marking on the last line, fails here and not in production.
 *
 * @public
 */
export declare function runMetadataStyleContractTests(style: MetadataStyle): void;
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