import type { AnyDb } from './dialect.js';
export type IdempotencyConfig = {
    ttlMs?: number;
};
export type IdempotencyLookup = {
    type: 'replay';
    status: number;
    response: string;
} | {
    type: 'conflict';
} | {
    type: 'proceed';
};
export declare function lookupIdempotency(db: AnyDb, tableName: string, key: string, body: string): Promise<IdempotencyLookup>;
export declare function storeIdempotency(db: AnyDb, tableName: string, key: string, body: string, status: number, response: unknown, config: IdempotencyConfig): Promise<void>;
export declare function resolveIdempotencyConfig(config: boolean | IdempotencyConfig | undefined): IdempotencyConfig | null;
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