import { ErrorCode } from "../migration-error";
export declare function validateNoDuplicateIdentifier<ErrorCodeT extends (ErrorCode.DUPLICATE_MIGRATION_IDENTIFIER_FOUND | ErrorCode.DUPLICATE_SUCCESSFUL_MIGRATION_IDENTIFIER_FOUND)>(arr: readonly {
    identifier: string;
}[], errorCode: ErrorCodeT): (undefined | {
    errorCode: ErrorCodeT;
    duplicates: string[];
});
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