ConstReadonlyBETA: "BETA"The feature is in beta.
ReadonlyGA: "GA"The feature has reached general availability.
ReadonlyGA_SOON: "GA_SOON"The feature is approaching general availability.
ReadonlyPREVIEW_PHASE_UNSPECIFIED: "PREVIEW_PHASE_UNSPECIFIED"Default value. Indicates the preview phase is unknown or the setting is not a feature preview.
ReadonlyPRIVATE_PREVIEW: "PRIVATE_PREVIEW"The feature is in private preview, available only to specifically enrolled customers.
ReadonlyPUBLIC_PREVIEW: "PUBLIC_PREVIEW"The feature is in public preview, available to all customers. Also used for gated public preview (available to customers who request access) since the distinction is internal.
Preview phase for settings that are feature previews. For settings that are not feature previews, the preview_phase field is left unset. Mirrors only the customer-facing phases surfaced in the UI; internal-only phases (DISABLED, DEV, UNDER_MIGRATION, LAUNCHED, etc.) are not exposed here.