import type { Result } from 'ts-results';
import { type PendingSwapStep, type SwapStepStatus, type TransactionPrerequisiteType } from 'rango-types';
import { SwapActionTypes } from '../../types';
export declare const checkIsPrerequisiteAlreadyMet: (prerequisiteInfo: {
    prerequisiteType: TransactionPrerequisiteType;
    prerequisiteIndex: number;
}, step: PendingSwapStep) => boolean;
export declare function getPrerequisiteResult(step: PendingSwapStep, key: {
    prerequisiteType: TransactionPrerequisiteType;
    prerequisiteIndex: number;
}): SwapStepStatus['prerequisiteResults'][number] | undefined;
export declare const matchesPrerequisiteKey: (a: {
    prerequisiteIndex: number;
    prerequisiteType: TransactionPrerequisiteType;
}, b: {
    prerequisiteIndex: number;
    prerequisiteType: TransactionPrerequisiteType;
}) => boolean;
export declare function handleUnmetXrplChangeTrustLinePrerequisite(prerequisiteIndex: number, currentStep: PendingSwapStep): Result<SwapActionTypes, string>;
export declare function handleUnmetStellarChangeTrustLinePrerequisite(prerequisiteIndex: number, currentStep: PendingSwapStep): Result<SwapActionTypes, string>;
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