declare const MigrationError_base: new <A extends Record<string, any> = {}>(args: import("effect/Types").VoidIfEmpty<{ readonly [P in keyof A as P extends "_tag" ? never : P]: A[P]; }>) => import("effect/Cause").YieldableError & {
    readonly _tag: "MigrationError";
} & Readonly<A>;
/**
 * Error thrown when a schema migration fails.
 *
 * The `step` field indicates where the failure occurred:
 * - `step >= 0`: The transform at that index in the migration chain failed
 * - `step === -1`: Post-migration schema validation failed
 */
export declare class MigrationError extends MigrationError_base<{
    readonly collection: string;
    readonly fromVersion: number;
    readonly toVersion: number;
    readonly step: number;
    readonly reason: string;
    readonly message: string;
}> {
}
export type MigrationErrors = MigrationError;
export {};
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