import { GetStorage } from "../../../src/storage";
/**
 * This is the doc comment for pallet `ParachainSystem`'s storages.
 *
 * `ParachainSystem`'s calls: {@link: module:pangolin/parachainSystem/calls}
 *
 * @module pangolin/parachainSystem/storages
 */
export declare const getParachainSystem: (getStorage: GetStorage) => {
    /**
     * In case of a scheduled upgrade, this storage field contains the validation code to be applied.
     *
     * As soon as the relay chain gives us the go-ahead signal, we will overwrite the [`:code`][well_known_keys::CODE]
     * which will result the next block process with the new validation code. This concludes the upgrade process.
     *
     * [well_known_keys::CODE]: sp_core::storage::well_known_keys::CODE
     *
     * @returns {Promise<string | null>} Vec<U8>
     */
    pendingValidationCode: () => Promise<string | null>;
    /**
     * Validation code that is set by the parachain and is to be communicated to collator and
     * consequently the relay-chain.
     *
     * This will be cleared in `on_initialize` of each new block if no other pallet already set
     * the value.
     *
     * @returns {Promise<string | null>} Vec<U8>
     */
    newValidationCode: () => Promise<string | null>;
    /**
     * The [`PersistedValidationData`] set for this block.
     * This value is expected to be set only once per block and it's never stored
     * in the trie.
     *
     * @returns {Promise<string | null>} PersistedValidationData: {parent_head: Vec<U8>, relay_parent_number: U32, relay_parent_storage_root: [U8; 32], max_pov_size: U32}
     */
    validationData: () => Promise<string | null>;
    /**
     * Were the validation data set to notify the relay chain?
     *
     * @returns {Promise<string | null>} Bool
     */
    didSetValidationCode: () => Promise<string | null>;
    /**
     * The relay chain block number associated with the last parachain block.
     *
     * @returns {Promise<string | null>} U32
     */
    lastRelayChainBlockNumber: () => Promise<string | null>;
    /**
     * An option which indicates if the relay-chain restricts signalling a validation code upgrade.
     * In other words, if this is `Some` and [`NewValidationCode`] is `Some` then the produced
     * candidate will be invalid.
     *
     * This storage item is a mirror of the corresponding value for the current parachain from the
     * relay-chain. This value is ephemeral which means it doesn't hit the storage. This value is
     * set after the inherent.
     *
     * @returns {Promise<string | null>} Option: Enum<{0/None: , 1/Some: Enum<{0/Present: }>}>
     */
    upgradeRestrictionSignal: () => Promise<string | null>;
    /**
     * The state proof for the last relay parent block.
     *
     * This field is meant to be updated each block with the validation data inherent. Therefore,
     * before processing of the inherent, e.g. in `on_initialize` this data may be stale.
     *
     * This data is also absent from the genesis.
     *
     * @returns {Promise<string | null>} StorageProof: {trie_nodes: Vec<Vec<U8>>}
     */
    relayStateProof: () => Promise<string | null>;
    /**
     * The snapshot of some state related to messaging relevant to the current parachain as per
     * the relay parent.
     *
     * This field is meant to be updated each block with the validation data inherent. Therefore,
     * before processing of the inherent, e.g. in `on_initialize` this data may be stale.
     *
     * This data is also absent from the genesis.
     *
     * @returns {Promise<string | null>} MessagingStateSnapshot: {dmq_mqc_head: [U8; 32], relay_dispatch_queue_size: (U32, U32), ingress_channels: Vec<(U32, {max_capacity: U32, max_total_size: U32, max_message_size: U32, msg_count: U32, total_size: U32, mqc_head: Enum<{0/None: , 1/Some: [U8; 32]}>})>, egress_channels: Vec<(U32, {max_capacity: U32, max_total_size: U32, max_message_size: U32, msg_count: U32, total_size: U32, mqc_head: Enum<{0/None: , 1/Some: [U8; 32]}>})>}
     */
    relevantMessagingState: () => Promise<string | null>;
    /**
     * The parachain host configuration that was obtained from the relay parent.
     *
     * This field is meant to be updated each block with the validation data inherent. Therefore,
     * before processing of the inherent, e.g. in `on_initialize` this data may be stale.
     *
     * This data is also absent from the genesis.
     *
     * @returns {Promise<string | null>} AbridgedHostConfiguration: {max_code_size: U32, max_head_data_size: U32, max_upward_queue_count: U32, max_upward_queue_size: U32, max_upward_message_size: U32, max_upward_message_num_per_candidate: U32, hrmp_max_message_num_per_candidate: U32, validation_upgrade_cooldown: U32, validation_upgrade_delay: U32}
     */
    hostConfiguration: () => Promise<string | null>;
    /**
     * The last downward message queue chain head we have observed.
     *
     * This value is loaded before and saved after processing inbound downward messages carried
     * by the system inherent.
     *
     * @returns {Promise<string | null>} MessageQueueChain: [U8; 32]
     */
    lastDmqMqcHead: () => Promise<string | null>;
    /**
     * The message queue chain heads we have observed per each channel incoming channel.
     *
     * This value is loaded before and saved after processing inbound downward messages carried
     * by the system inherent.
     *
     * @returns {Promise<string | null>} BTreeMap: Vec<(U32, [U8; 32])>
     */
    lastHrmpMqcHeads: () => Promise<string | null>;
    /**
     * Number of downward messages processed in a block.
     *
     * This will be cleared in `on_initialize` of each new block.
     *
     * @returns {Promise<string | null>} U32
     */
    processedDownwardMessages: () => Promise<string | null>;
    /**
     * HRMP watermark that was set in a block.
     *
     * This will be cleared in `on_initialize` of each new block.
     *
     * @returns {Promise<string | null>} U32
     */
    hrmpWatermark: () => Promise<string | null>;
    /**
     * HRMP messages that were sent in a block.
     *
     * This will be cleared in `on_initialize` of each new block.
     *
     * @returns {Promise<string | null>} Vec<{recipient: U32, data: Vec<U8>}>
     */
    hrmpOutboundMessages: () => Promise<string | null>;
    /**
     * Upward messages that were sent in a block.
     *
     * This will be cleared in `on_initialize` of each new block.
     *
     * @returns {Promise<string | null>} Vec<Vec<U8>>
     */
    upwardMessages: () => Promise<string | null>;
    /**
     * Upward messages that are still pending and not yet send to the relay chain.
     *
     * @returns {Promise<string | null>} Vec<Vec<U8>>
     */
    pendingUpwardMessages: () => Promise<string | null>;
    /**
     * The number of HRMP messages we observed in `on_initialize` and thus used that number for
     * announcing the weight of `on_initialize` and `on_finalize`.
     *
     * @returns {Promise<string | null>} U32
     */
    announcedHrmpMessagesPerCandidate: () => Promise<string | null>;
    /**
     * The weight we reserve at the beginning of the block for processing XCMP messages. This
     * overrides the amount set in the Config trait.
     *
     * @returns {Promise<string | null>} Weight: {ref_time: Compact<U64>, proof_size: Compact<U64>}
     */
    reservedXcmpWeightOverride: () => Promise<string | null>;
    /**
     * The weight we reserve at the beginning of the block for processing DMP messages. This
     * overrides the amount set in the Config trait.
     *
     * @returns {Promise<string | null>} Weight: {ref_time: Compact<U64>, proof_size: Compact<U64>}
     */
    reservedDmpWeightOverride: () => Promise<string | null>;
    /**
     * The next authorized upgrade, if there is one.
     *
     * @returns {Promise<string | null>} CodeUpgradeAuthorization: {code_hash: [U8; 32], check_version: Bool}
     */
    authorizedUpgrade: () => Promise<string | null>;
    /**
     * A custom head data that should be returned as result of `validate_block`.
     *
     * See [`Pallet::set_custom_validation_head_data`] for more information.
     *
     * @returns {Promise<string | null>} Vec<U8>
     */
    customValidationHeadData: () => Promise<string | null>;
};