/**
 * Sandbox runtime detection for Genspark Tool CLI
 *
 * Genspark-managed sandbox templates bake an identity marker into the
 * image at build time (see services/sb_box_template/Dockerfile.*):
 *
 *   /opt/genspark/sandbox_family   e.g. "sb-box-sas"
 *   /opt/genspark/sandbox_version  e.g. "1"
 *
 * The family <-> template <-> consumer map is services/sb_box_template/
 * README.md. sb-box-* families are Firecracker microVMs on the sb-box
 * fleet; the SAS project type (super_agent_sandbox) runs on the `sas`
 * template whose marker is "sb-box-sas". "sb-box-super-agent" is the plain
 * super_agent (bash-tool) template since the 2026-09-02 rename and is NOT
 * the SAS family. novita-code-sandbox is the code-interpreter template. The
 * base template (Dockerfile.base) bakes only sandbox_version — no family —
 * so "is a Genspark sandbox" keys on either marker being present. Outside a
 * Genspark sandbox the marker directory does not exist and every field
 * resolves to null/false.
 *
 * Detection is filesystem-only by design — no env-var override. The marker
 * identifies the runtime the process was launched into; behavior gates that
 * need a stronger guarantee (billing, permissions) must be enforced
 * server-side, not from this client-visible flag.
 */
export interface SandboxRuntime {
    /** Template family, e.g. "sb-box-sas"; null outside a sandbox. */
    family: string | null;
    /** Template marker version (sandbox_version file); null when absent. */
    version: string | null;
    /** True for any sb-box-* family (Firecracker microVM on the sb-box fleet). */
    isSbBox: boolean;
    /** True only for the SAS family (`sas` template, marker "sb-box-sas"). */
    isSuperAgentSandbox: boolean;
    /** True when any Genspark sandbox family marker is present. */
    isGensparkSandbox: boolean;
}
/**
 * Pure reader used by tests — resolves the runtime from an explicit marker
 * directory. Production callers go through {@link getSandboxRuntime}.
 */
export declare function readSandboxRuntime(markerDir: string): SandboxRuntime;
/**
 * The sandbox runtime this CLI process is executing in. Read once from
 * /opt/genspark and cached for the process lifetime.
 */
export declare function getSandboxRuntime(): SandboxRuntime;
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