export declare const CODEX_HOOK_FEATURE_FLAGS: readonly ["hooks", "codex_hooks"];
export declare const CODEX_PLUGIN_SCOPED_HOOKS_FEATURE_FLAG = "plugin_hooks";
export type CodexHookFeatureFlag = (typeof CODEX_HOOK_FEATURE_FLAGS)[number];
/**
 * Current Codex CLI releases expose lifecycle hooks as `[features].hooks`.
 * Older releases used `[features].codex_hooks`. Keep the default on the
 * current canonical name while allowing setup to probe and select the legacy
 * spelling when it is the only feature reported by the installed Codex.
 */
export declare const DEFAULT_CODEX_HOOK_FEATURE_FLAG: CodexHookFeatureFlag;
export declare function isCodexHookFeatureFlagName(name: string): name is CodexHookFeatureFlag;
export declare function normalizeCodexHookFeatureFlag(value: string | null | undefined): CodexHookFeatureFlag;
export declare function parseCodexFeatureNames(featuresListOutput: string | null | undefined): Set<string>;
export declare function parseCodexCliVersion(versionOutput: string | null | undefined): [number, number, number] | null;
export declare function isCodexCliVersionAtLeast(versionOutput: string | null | undefined, minimum: [number, number, number]): boolean;
export declare function supportsCodexPluginScopedHooks(options?: {
    featuresListOutput?: string | null;
}): boolean;
export declare function resolveCodexHookFeatureFlag(options?: {
    featuresListOutput?: string | null;
    versionOutput?: string | null;
    fallback?: CodexHookFeatureFlag;
}): CodexHookFeatureFlag;
export declare function formatCodexHookFeatureFlagLine(featureFlag: CodexHookFeatureFlag): string;
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