/**
 * Single source for the MACHINE-GLOBAL state dir (`~/.audit-code` /
 * `~/.remediate-code`): the home-dir tree holding reusable tool state.
 *
 * Every reader/writer of that state MUST resolve its path through this module —
 * never `join(homedir(), ".audit-code")` inline — so the {@link STATE_DIR_ENV_VAR}
 * override is honored everywhere at once. The override exists for hermeticity:
 * test/smoke harnesses point it at a per-run temp dir so no test or smoke outcome
 * can depend on the box's live state.
 */
export declare const STATE_DIR_ENV_VAR = "AUDIT_CODE_STATE_DIR";
/**
 * Resolve a machine-global state dir.
 *
 * Precedence: explicit `homeDir` (per-call test injection — the narrowest scope)
 * → `AUDIT_CODE_STATE_DIR` env override (used VERBATIM as the state dir, no
 * `defaultDirName` suffix, so a harness redirects every tool's state with one
 * var; audit and remediate deliberately collapse into the same dir under it) →
 * `join(os.homedir(), defaultDirName)`.
 */
export declare function resolveStateDir(defaultDirName: string, homeDir?: string, env?: NodeJS.ProcessEnv): string;
/** {@link resolveStateDir} for the established `~/.audit-code` state directory. */
export declare function resolveAuditCodeStateDir(homeDir?: string, env?: NodeJS.ProcessEnv): string;
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