import { EosEntityName, EosPermissionStruct, EosPublicKey, EosActionStruct, EosPermissionSimplified, EosNewKeysOptions, EosGeneratedPermissionKeys, DeletePermissionsParams, ReplacePermissionKeysParams, LinkPermissionsParams, UnlinkPermissionsParams, EosPermission } from './models';
import { EosChainState } from './eosChainState';
export declare class PermissionsHelper {
    private _chainState;
    constructor(chainState: EosChainState);
    /** return a fully formed EOS permission structure (EosPermissionStruct) */
    composePermission(publicKeys: EosPublicKey[], permissionName: EosEntityName, parentPermissionName: EosEntityName | '', threshold?: number, weight?: number): EosPermissionStruct;
    weightPermissionKeys: (keys: EosPublicKey[], weight?: number) => {
        key: EosPublicKey;
        weight: number;
    }[];
    /** Compose a collection of actions to add the requested permissions */
    composeAddPermissionActions(authAccount: EosEntityName, authPermission: EosEntityName, permissionsToAdd?: Partial<EosPermissionSimplified>[], appendKeyToExistingPermission?: boolean): Promise<EosActionStruct[]>;
    composeDeletePermissionActions: (authAccount: EosEntityName, authPermission: EosEntityName, permissionsToDelete?: DeletePermissionsParams[]) => Promise<EosActionStruct[]>;
    /** Compose an action to replace public keys on an existing account permission */
    composeReplacePermissionKeysAction: (authAccount: EosEntityName, authPermission: EosEntityName, params: ReplacePermissionKeysParams) => Promise<EosActionStruct>;
    /** Compose a collection of actions to link actions to permissions */
    composeLinkPermissionActions: (authAccount: EosEntityName, authPermission: EosEntityName, permissionsToLink?: LinkPermissionsParams[]) => Promise<EosActionStruct[]>;
    /** Compose a collection of actions to unlink actions to permissions */
    composeUnlinkPermissionActions: (authAccount: EosEntityName, authPermission: EosEntityName, permissionsToUnlink?: UnlinkPermissionsParams[]) => Promise<EosActionStruct[]>;
    /** Iterates over the permissions array.
     * Maps permissions by name, and populates its children
     * Returns the deepest permission in the tree, starting from the root permission node */
    findDeepestPermission: (permissions: EosPermissionStruct[], rootPermission: EosEntityName) => EosPermissionStruct;
    /** generate a keypair for any new permissions missing a public key */
    static generateMissingKeysForPermissionsToAdd: (permissionsToAdd: Partial<EosPermissionSimplified>[], newKeysOptions: EosNewKeysOptions) => Promise<{
        generatedKeys: EosGeneratedPermissionKeys[];
        permissionsToAdd: Partial<EosPermissionSimplified>[];
    }>;
    /** Convert raw account permissions strucutre to EOSPermission */
    static mapPermissionStructToEosPermission: (accountPermissionStruct: EosPermissionStruct) => EosPermission;
}