/**
 * Configurable commit-type → CHANGELOG section mapping.
 *
 * Resolution order (highest priority wins):
 *   1. CHANGELOG_TYPE_MAP env var  (JSON string)
 *   2. .changelog-types.json file  (project root)
 *   3. Built-in defaults below
 *
 * A value of `false` means "skip this type entirely" (no changelog entry).
 */
import type { readFileSync as ReadFileSyncFn } from 'node:fs';
/**
 * Dependencies for loadChangelogTypeMap — follows the project DI pattern.
 */
export interface ChangelogTypeDeps {
    readFileSync: typeof ReadFileSyncFn;
    getEnv: (key: string) => string | undefined;
    warn: (message: string) => void;
}
/**
 * Built-in commit-type → CHANGELOG section map.
 * Values are `### SectionName` strings or `false` to suppress.
 */
export declare const BUILTIN_TYPE_MAP: Record<string, string | false>;
/**
 * Load the commit-type → CHANGELOG section mapping.
 *
 * Priority:
 *  1. CHANGELOG_TYPE_MAP env var (JSON, merged on top of file + built-in)
 *  2. .changelog-types.json project file (merged on top of built-in)
 *  3. BUILTIN_TYPE_MAP (base)
 *
 * Malformed JSON or invalid structure → WARN + ignore that layer (fall back to lower priority).
 */
export declare function loadChangelogTypeMap(deps: ChangelogTypeDeps): Record<string, string | false>;