import "../../_dnt.polyfills.js";
export type StorageKey = string;
export type PrefixedStorageKey = string;
export type StorageData = string;
export interface ReadProof {
    /** Block hash used to generate the proof */
    at: string;
    /** A proof used to prove that storage entries are included in the storage trie */
    proof: string[];
}
export type ChildStateCalls = {
    /**
     * Returns the keys with prefix from a child storage, leave empty to get all the keys
     * @deprecated [2.0.0] Please use `getKeysPaged` with proper paging support
     */
    childState_getKeys(childStorageKey: PrefixedStorageKey, prefix: StorageKey, hash?: string): StorageKey[];
    /**
     * Returns the keys with prefix from a child storage with pagination support.
     * Up to `count` keys will be returned.
     * If `start_key` is passed, return next keys in storage in lexicographic order.
     */
    childState_getKeysPaged(childStorageKey: PrefixedStorageKey, prefix: StorageKey, count: number, startKey?: StorageKey, hash?: string): StorageKey[];
    /** Returns a child storage entry at a specific block's state. */
    childState_getStorage(childStorageKey: PrefixedStorageKey, key: StorageKey, hash?: string): StorageData | null;
    /** Returns child storage entries for multiple keys at a specific block's state. */
    childState_getStorageEntries(childStorageKey: PrefixedStorageKey, keys: StorageKey[], hash?: string): (StorageData | null)[];
    /** Returns the hash of a child storage entry at a block's state. */
    childState_getStorageHash(childStorageKey: PrefixedStorageKey, key: StorageKey, hash?: string): string | null;
    /** Returns the size of a child storage entry at a block's state. */
    childState_getStorageSize(childStorageKey: PrefixedStorageKey, key: StorageKey, hash?: string): number | null;
    /** Returns proof of storage for child key entries at a specific block's state. */
    state_getChildReadProof(childStorageKey: PrefixedStorageKey, keys: StorageKey[], hash?: string): ReadProof;
};