import type { LegacyPermissionMode, RuntimeSecurityMode } from "./types.js";
/**
 * Resolve the effective {@link RuntimeSecurityMode} from caller inputs.
 *
 * Precedence: explicit `securityMode` > legacy `permissionMode` mapping > `safe`.
 *
 * Legacy mapping:
 * - `bypassPermissions` → `yolo`
 * - `default`, `acceptEdits`, `auto` → `safe`
 * - `plan`, `dontAsk` → throw (unsupported under the simplified model)
 */
export declare function resolveSecurityMode(input: {
    securityMode?: RuntimeSecurityMode;
    permissionMode?: LegacyPermissionMode;
}): RuntimeSecurityMode;