export type CodexPaginatedVersion = "0.158.0" | "0.159.0" | "0.159.2" | "0.159.3" | "0.160.0" | "0.162.1";
export type CodexPaginatedBackendVersion = CodexPaginatedVersion;
/** Versions whose paginated history and physical TUI binding are verified together. */
export declare function isCodexPaginatedVersion(value: unknown): value is CodexPaginatedVersion;
/**
 * Eligibility to try the closed paginated read contract, not proof of support.
 * The actual styled Composer, command popup, fresh status identity and backend
 * response must still pass their independent checks. Never use this for native
 * interaction writes, which require an audited physical/server version pair.
 */
export declare function isCodexPaginatedReadCandidate(value: unknown): value is string;
/** Audited physical TUI and shared app-server pairs; unknown patch versions fail closed. */
export declare function isAuditedCodexPaginatedServerPair(agentVersion: unknown, serverVersion: unknown): serverVersion is CodexPaginatedBackendVersion;
/**
 * Stable behavior contract used for a complete x.y.z Codex version that
 * AKK has not regression-tested yet. Exact profiles remain useful as evidence
 * of verification, but are not a runtime allowlist.
 */
export declare const CODEX_GENERIC_RUNTIME_BEHAVIOR_PROFILE = "codex-tui-generic-v1";
/**
 * Known protocol changes are different from a merely unverified release.
 * These versions create durable TUI threads with paginated history, including
 * under --no-daemon. Their shared server can also own the history instead of
 * the physical TUI process, so the legacy rollout/FD protocol cannot prove a
 * managed task or thread transition.
 */
export declare function codexUnsupportedDurableHistoryWarning(agentVersion: string | undefined): string | undefined;
/** Paginated Watch support does not implement legacy managed thread transitions. */
export declare function codexThreadLifecycleHistoryWarning(agentVersion: string | undefined): string | undefined;
export interface CodexRuntimeCompatibilityProfile {
    readonly behaviorProfile: string;
    readonly versionCompatibility: "verified" | "unverified";
    readonly compatibilityWarning?: string;
}
export declare function codexLifecycleBehaviorProfile(agentVersion: string | undefined): string | undefined;
/** True only for a complete x.y.z version shared by runtime and artifacts. */
export declare function isValidCodexAgentVersion(agentVersion: string | undefined): agentVersion is string;
/**
 * Select the runtime behavior profile without turning the verified-version
 * registry into a feature gate.
 */
export declare function codexRuntimeCompatibilityProfile(agentVersion: string | undefined): CodexRuntimeCompatibilityProfile | undefined;
/** A shared strict fullscreen status grammar, with the actual TUI version pinned. */
export declare function codexNativeInspectionCompatibilityProfile(agentVersion: string | undefined): CodexRuntimeCompatibilityProfile | undefined;
export declare function codexRuntimeLifecycleBehaviorProfile(agentVersion: string | undefined): string | undefined;
export declare function supportedCodexLifecycleVersions(): readonly string[];