import type { AppSettingsAPIResponse, ChannelAPIResponse, ChannelFilters, ChannelMemberResponse, ChannelOptions, ChannelResponse, ChannelSort, DraftResponse, LocalMessage, MessageResponse, PollResponse, ReactionFilters, ReactionResponse, ReactionSort, ReadResponse } from '../types';
import type { Channel } from '../channel';
import type { StreamChat } from '../client';
export type PrepareBatchDBQueries = [string] | [string, Array<unknown> | Array<Array<unknown>>];
/**
 * Options to insert a reaction into a message.
 */
export type DBInsertReactionType = {
    /** Message to which the reaction is applied. */
    message: MessageResponse | LocalMessage;
    /** The reaction to insert. */
    reaction: ReactionResponse;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Options to upsert channel IDs associated with a query.
 */
export type DBUpsertCidsForQueryType = {
    /** Array of channel IDs. */
    cids: string[];
    /** Optional filters for the channels. */
    filters?: ChannelFilters;
    /** Optional full query options for the channels. */
    options?: ChannelOptions;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
    /** Optional sorting applied to the channels. */
    sort?: ChannelSort;
};
/**
 * Options to upsert multiple channels.
 */
export type DBUpsertChannelsType = {
    /** Array of channel API responses. */
    channels: ChannelAPIResponse[];
    /** Whether to immediately execute the operation. */
    execute?: boolean;
    /** If true, marks that the latest messages are already set. */
    isLatestMessagesSet?: boolean;
};
/**
 * Options to upsert application settings for a user.
 */
export type DBUpsertAppSettingsType = {
    /** App settings data. */
    appSettings: AppSettingsAPIResponse;
    /** ID of the user the settings belong to. */
    userId: string;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Sync status information for a user.
 */
export type DBUpsertUserSyncStatusType = {
    /** ID of the user. */
    userId: string;
    /** ISO timestamp of the last sync. */
    lastSyncedAt: string;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Options to upsert a poll.
 */
export type DBUpsertPollType = {
    /** Poll data to be stored. */
    poll: PollResponse;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Options to upsert individual channel data.
 */
export type DBUpsertChannelDataType = {
    /** Channel data. */
    channel: ChannelResponse;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Options to upsert read statuses for a channel.
 */
export type DBUpsertReadsType = {
    /** Channel ID. */
    cid: string;
    /** Array of read statuses. */
    reads: ReadResponse[];
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Options to upsert multiple messages.
 */
export type DBUpsertMessagesType = {
    /** Array of message responses. */
    messages: MessageResponse[];
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Options to upsert members in a channel.
 */
export type DBUpsertMembersType = {
    /** Channel ID. */
    cid: string;
    /** Array of channel members. */
    members: ChannelMemberResponse[];
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Options to update a reaction.
 */
export type DBUpdateReactionType = {
    /** Message associated with the reaction. */
    message: MessageResponse | LocalMessage;
    /** The updated reaction. */
    reaction: ReactionResponse;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Options to update a message.
 */
export type DBUpdateMessageType = {
    /** Message to update. */
    message: MessageResponse | LocalMessage;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Options to get channels by their IDs.
 */
export type DBGetChannelsType = {
    /** Array of channel IDs. */
    cids: string[];
    /** ID of the user. */
    userId: string;
};
/**
 * Options to get channels based on filters.
 */
export type DBGetChannelsForQueryType = {
    /** ID of the user. */
    userId: string;
    /** Optional filters for channels. */
    filters?: ChannelFilters;
    /** Optional full query options for channels. */
    options?: ChannelOptions;
    /** Optional sorting for the channels. */
    sort?: ChannelSort;
};
/**
 * Get the last sync timestamp for a user.
 */
export type DBGetLastSyncedAtType = {
    /** ID of the user. */
    userId: string;
};
/**
 * Options to fetch pending tasks for a specific message.
 */
export type DBGetPendingTasksType = {
    /** Optional message ID to filter tasks. */
    messageId?: string;
};
/**
 * Get application settings for a user.
 */
export type DBGetAppSettingsType = {
    /** ID of the user. */
    userId: string;
};
/**
 * Options to retrieve reactions for a message.
 */
export type DBGetReactionsType = {
    /** ID of the message. */
    messageId: string;
    /** Optional filter to apply to reactions. */
    filters?: Pick<ReactionFilters, 'type'>;
    /** Optional sorting for reactions. */
    sort?: ReactionSort;
    /** Optional maximum number of reactions to return. */
    limit?: number;
};
/**
 * Delete a pending task by ID.
 */
export type DBDeletePendingTaskType = {
    /** ID of the pending task. */
    id: number;
};
/**
 * Update a pending task by ID.
 */
export type DBUpdatePendingTaskType = {
    /** ID of the pending task. */
    id: number;
    /** The next task payload to persist. */
    task: PendingTask;
};
/**
 * Options to delete a reaction from a message.
 */
export type DBDeleteReactionType = {
    /** The reaction to delete. */
    reaction: ReactionResponse;
    /** Optional message associated with the reaction. */
    message?: MessageResponse | LocalMessage;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Options to delete a channel member.
 */
export type DBDeleteMemberType = {
    /** Channel ID. */
    cid: string;
    /** Member to remove. */
    member: ChannelMemberResponse;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Options to drop all pending tasks for a message.
 */
export type DBDropPendingTasksType = {
    /** ID of the message. */
    messageId: string;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Options to delete a message.
 */
export type DBDeleteMessageType = {
    /** ID of the message. */
    id: string;
    /** Whether to delete the message for the user only. */
    deleteForMe?: boolean;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Options to delete a channel.
 */
export type DBDeleteChannelType = {
    /** Channel ID. */
    cid: string;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Options to delete messages in a channel.
 */
export type DBDeleteMessagesForChannelType = {
    /** Channel ID. */
    cid: string;
    /** Timestamp before which messages are deleted. */
    truncated_at?: string;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Check if a channel exists by ID.
 */
export type DBChannelExistsType = {
    /** Channel ID. */
    cid: string;
};
export type DBUpsertDraftType = {
    /** Draft message to upsert. */
    draft: DraftResponse;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
export type DBGetDraftType = {
    /** Channel ID for which to get the draft. */
    cid: string;
    /** ID of the user requesting the draft. */
    userId: string;
    /** Optional parent ID for the parent message in thread, if applicable. */
    parent_id?: string;
};
export type DBDeleteDraftType = {
    /** Channel ID for which to delete the draft. */
    cid: string;
    /** Optional parent ID for the parent message in thread, if applicable. */
    parent_id?: string;
    /** Whether to immediately execute the operation. */
    execute?: boolean;
};
/**
 * Represents a list of batch SQL queries to be executed.
 */
export type ExecuteBatchDBQueriesType = PrepareBatchDBQueries[];
export interface OfflineDBApi {
    insertReaction: (options: DBInsertReactionType) => Promise<ExecuteBatchDBQueriesType>;
    upsertCidsForQuery: (options: DBUpsertCidsForQueryType) => Promise<ExecuteBatchDBQueriesType>;
    upsertChannels: (options: DBUpsertChannelsType) => Promise<ExecuteBatchDBQueriesType>;
    upsertUserSyncStatus: (options: DBUpsertUserSyncStatusType) => Promise<ExecuteBatchDBQueriesType>;
    upsertAppSettings: (options: DBUpsertAppSettingsType) => Promise<ExecuteBatchDBQueriesType>;
    upsertDraft: (options: DBUpsertDraftType) => Promise<ExecuteBatchDBQueriesType>;
    upsertPoll: (options: DBUpsertPollType) => Promise<ExecuteBatchDBQueriesType>;
    upsertChannelData: (options: DBUpsertChannelDataType) => Promise<ExecuteBatchDBQueriesType>;
    upsertReads: (options: DBUpsertReadsType) => Promise<ExecuteBatchDBQueriesType>;
    upsertMessages: (options: DBUpsertMessagesType) => Promise<ExecuteBatchDBQueriesType>;
    upsertMembers: (options: DBUpsertMembersType) => Promise<ExecuteBatchDBQueriesType>;
    updateReaction: (options: DBUpdateReactionType) => Promise<ExecuteBatchDBQueriesType>;
    updateMessage: (options: DBUpdateMessageType) => Promise<ExecuteBatchDBQueriesType>;
    getDraft: (options: DBGetDraftType) => Promise<DraftResponse | null>;
    getChannels: (options: DBGetChannelsType) => Promise<Omit<ChannelAPIResponse, 'duration'>[] | null>;
    getChannelsForQuery: (options: DBGetChannelsForQueryType) => Promise<Omit<ChannelAPIResponse, 'duration'>[] | null>;
    getAllChannelCids: () => Promise<string[]>;
    getLastSyncedAt: (options: DBGetLastSyncedAtType) => Promise<string | undefined>;
    getAppSettings: (options: DBGetAppSettingsType) => Promise<AppSettingsAPIResponse | null>;
    getReactions: (options: DBGetReactionsType) => Promise<ReactionResponse[] | null>;
    executeSqlBatch: (queries: ExecuteBatchDBQueriesType) => Promise<unknown>;
    addPendingTask: (task: PendingTask) => Promise<() => Promise<void>>;
    getPendingTasks: (conditions?: DBGetPendingTasksType) => Promise<PendingTask[]>;
    deleteDraft: (options: DBDeleteDraftType) => Promise<ExecuteBatchDBQueriesType>;
    updatePendingTask: (options: DBUpdatePendingTaskType) => Promise<ExecuteBatchDBQueriesType>;
    deletePendingTask: (options: DBDeletePendingTaskType) => Promise<ExecuteBatchDBQueriesType>;
    deleteReaction: (options: DBDeleteReactionType) => Promise<ExecuteBatchDBQueriesType>;
    deleteMember: (options: DBDeleteMemberType) => Promise<ExecuteBatchDBQueriesType>;
    deleteChannel: (options: DBDeleteChannelType) => Promise<ExecuteBatchDBQueriesType>;
    deleteMessagesForChannel: (options: DBDeleteMessagesForChannelType) => Promise<ExecuteBatchDBQueriesType>;
    dropPendingTasks: (options: DBDropPendingTasksType) => Promise<ExecuteBatchDBQueriesType>;
    hardDeleteMessage: (options: DBDeleteMessageType) => Promise<ExecuteBatchDBQueriesType>;
    softDeleteMessage: (options: DBDeleteMessageType) => Promise<ExecuteBatchDBQueriesType>;
    resetDB: () => Promise<unknown>;
    channelExists: (options: DBChannelExistsType) => Promise<boolean>;
    initializeDB: () => Promise<boolean>;
}
export type OfflineDBState = {
    initialized: boolean;
    userId?: string;
};
export type PendingTaskTypes = {
    updateMessage: 'update-message';
    deleteMessage: 'delete-message';
    deleteReaction: 'delete-reaction';
    sendReaction: 'send-reaction';
    sendMessage: 'send-message';
    createDraft: 'create-draft';
    deleteDraft: 'delete-draft';
};
export type PendingTask = {
    channelId?: string;
    channelType?: string;
    messageId?: string;
    id?: number;
    threadId?: string;
} & ({
    payload: Parameters<Channel['sendReaction']>;
    type: PendingTaskTypes['sendReaction'];
} | {
    payload: Parameters<StreamChat['updateMessage']>;
    type: PendingTaskTypes['updateMessage'];
} | {
    payload: Parameters<StreamChat['deleteMessage']>;
    type: PendingTaskTypes['deleteMessage'];
} | {
    payload: Parameters<Channel['deleteReaction']>;
    type: PendingTaskTypes['deleteReaction'];
} | {
    payload: Parameters<Channel['sendMessage']>;
    type: PendingTaskTypes['sendMessage'];
} | {
    payload: Parameters<Channel['createDraft']>;
    type: PendingTaskTypes['createDraft'];
} | {
    payload: Parameters<Channel['deleteDraft']>;
    type: PendingTaskTypes['deleteDraft'];
});
export type OfflineErrorType = 'connection:lost';
export declare class OfflineError extends Error {
    type: OfflineErrorType;
    name: string;
    constructor(message: string, { type, }: {
        type: OfflineError['type'];
    });
    toJSON(): {
        message: string;
        stack: string | undefined;
        name: string;
    };
}