/**
 * Browser chrome that belongs to the host environment (update prompts, password
 * save bubbles, first-run UI) pollutes product evidence. Keep these knobs in one
 * place so browser-backed lanes can prefer product pixels over browser UI.
 */
export declare const CHROMIUM_EVIDENCE_HYGIENE_FLAGS: readonly ["--disable-background-networking", "--disable-component-update", "--disable-default-apps", "--disable-domain-reliability", "--disable-extensions", "--disable-sync", "--no-default-browser-check", "--no-first-run", "--password-store=basic", "--use-mock-keychain"];
export declare function chromiumEvidenceProfilePreferencesJson(): string;