option('developer_mode', type: 'boolean', value: false, description: 'Enable developer mode' ) option('libportal', type: 'feature', value: 'enabled', description: 'Depend on libportal for Flatpak support' ) option('network_tests', type: 'feature', value: 'disabled', description: 'Enable tests that require network access, if unit_tests are enabled' ) option('tech_preview', type: 'boolean', value: false, description: 'Enable Epiphany Tech Preview branding' ) option('profile', type: 'string', value: '', description: 'Build with appended profile to application ID' ) option('unit_tests', type: 'feature', value: 'enabled', description: 'Enable unit tests' ) option('gsb_api_key', type: 'string', value: '', description: 'The API key used to access the Google Safe Browsing API v4' ) option('soup2', type: 'feature', value: 'enabled', description: 'Use libsoup2 instead of libsoup3' )