import { AccountHandler } from '../../../../../../stellar-plus/account';
import { SorobanTransactionPipelineInput, SorobanTransactionPipelineOutput, SorobanTransactionPipelineType } from '../../../../../../stellar-plus/core/pipelines/soroban-transaction/types';
import { StellarPlusError } from '../../../../../../stellar-plus/error';
import { BeltMetadata, BeltPluginType } from '../../../../../../stellar-plus/utils/pipeline/conveyor-belts/types';
import { ChannelAccountsPluginConstructorArgs, InputType } from '../../../../../../stellar-plus/utils/pipeline/plugins/soroban-transaction/channel-accounts/types';
export declare class BaseChannelAccountsPlugin<Input extends InputType, Output, Type> implements BeltPluginType<Input, Output, Type> {
    readonly type: Type;
    readonly name = "ChannelAccountsPlugin";
    private freeChannels;
    private lockedChannels;
    constructor(typeId: Type, channels?: AccountHandler[]);
    preProcess(item: Input, meta: BeltMetadata): Promise<Input>;
    postProcess(item: Output, meta: BeltMetadata): Promise<Output>;
    processError(error: StellarPlusError, meta: BeltMetadata): Promise<StellarPlusError>;
    /**
     *
     * @description - Returns the list of channels registered to the pool.
     *
     * @returns {AccountHandler[]} The list of channels registered to the pool.
     */
    getChannels(): AccountHandler[];
    /**
     *
     * @param {AccountHandler[]} channels - The channel accounts to register.
     *
     * @description - Registers the provided channel accounts to the pool.
     *
     * @see ChannelAccountsHandler for a helper class for managing channel accounts.
     */
    registerChannels(channels: AccountHandler[]): void;
    private allocateChannel;
    private releaseChannel;
    /**
     *
     * @description - Waits for a channel to be available and then allocates it. This step will wait for 1 second before trying again.
     * This function can be overriden to implement a custom waiting logic.
     *
     * @returns {Promise<AccountHandler>} The allocated channel account.
     */
    private noChannelPipeline;
    private injectChannel;
}
export declare class SorobanChannelAccountsPlugin extends BaseChannelAccountsPlugin<SorobanTransactionPipelineInput, SorobanTransactionPipelineOutput, SorobanTransactionPipelineType> {
    constructor(args: ChannelAccountsPluginConstructorArgs);
}