export declare const protobufPackage = "proto";
/**
 * The type of network freeze or upgrade operation to be performed. This type dictates which
 * fields are required.
 */
export declare enum FreezeType {
    /**
     * UNKNOWN_FREEZE_TYPE - An (invalid) default value for this enum, to ensure the client explicitly sets
     * the intended type of freeze transaction.
     */
    UNKNOWN_FREEZE_TYPE = 0,
    /**
     * FREEZE_ONLY - Freezes the network at the specified time. The start_time field must be provided and
     * must reference a future time. Any values specified for the update_file and file_hash
     * fields will be ignored. This transaction does not perform any network changes or
     * upgrades and requires manual intervention to restart the network.
     */
    FREEZE_ONLY = 1,
    /**
     * PREPARE_UPGRADE - A non-freezing operation that initiates network wide preparation in advance of a
     * scheduled freeze upgrade. The update_file and file_hash fields must be provided and
     * valid. The start_time field may be omitted and any value present will be ignored.
     */
    PREPARE_UPGRADE = 2,
    /**
     * FREEZE_UPGRADE - Freezes the network at the specified time and performs the previously prepared
     * automatic upgrade across the entire network.
     */
    FREEZE_UPGRADE = 3,
    /** FREEZE_ABORT - Aborts a pending network freeze operation. */
    FREEZE_ABORT = 4,
    /**
     * TELEMETRY_UPGRADE - Performs an immediate upgrade on auxilary services and containers providing
     * telemetry/metrics. Does not impact network operations.
     */
    TELEMETRY_UPGRADE = 5,
    UNRECOGNIZED = -1
}
export declare function freezeTypeFromJSON(object: any): FreezeType;
export declare function freezeTypeToJSON(object: FreezeType): string;
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