import { BaseStep, DeleteStep, DeleteWhereStep } from './steps';
export declare function escapeDoubleQuote(source: string): string;
export declare function getStmtNull(): string;
export declare function getStmtBoolean(value: boolean): string;
export declare function getStmtString(value: string): string;
export declare function getStmtDate(value: Date): string;
export declare function isDeleteStep(step: BaseStep): step is DeleteStep;
export declare function isDeleteWhereStep(step: BaseStep): step is DeleteWhereStep;
export declare function getMinOneArray<T>(array: T[]): [T, ...T[]];