export interface QuoteDetailProposalSnapshotDraft {
    title: string;
    valueCurrency: string | null;
    description: string | null;
    lineItems: ReadonlyArray<{
        id: string;
        isNew: boolean;
        nameSnapshot: string;
        description: string | null;
        quantity: number;
        unitPriceAmountCents: number | null;
        currency: string | null;
    }>;
}
export interface QuoteDetailManualAcceptInput {
    previousStatus: string;
    nextStatus: string;
    acceptedVersionId: string | null;
    currentVersionStatus: string | null;
    proposalSnapshotChanged: boolean;
}
export declare function serializeProposalSnapshotDraft(draft: QuoteDetailProposalSnapshotDraft): string;
export declare function hasProposalSnapshotChanges(previous: QuoteDetailProposalSnapshotDraft, next: QuoteDetailProposalSnapshotDraft): boolean;
export declare function shouldAcceptCurrentSentVersion(input: QuoteDetailManualAcceptInput): boolean;