export declare const _zetasql_ASTOrderingExpressionEnums_OrderingSpec: {
    readonly NOT_SET: 0;
    readonly ASC: 1;
    readonly DESC: 2;
    readonly UNSPECIFIED: 3;
};
export type _zetasql_ASTOrderingExpressionEnums_OrderingSpec = 'NOT_SET' | 0 | 'ASC' | 1 | 'DESC' | 2 | 'UNSPECIFIED' | 3;
export type _zetasql_ASTOrderingExpressionEnums_OrderingSpec__Output = typeof _zetasql_ASTOrderingExpressionEnums_OrderingSpec[keyof typeof _zetasql_ASTOrderingExpressionEnums_OrderingSpec];
export interface ASTOrderingExpressionEnums {
}
export interface ASTOrderingExpressionEnums__Output {
}