import { Value } from '@aws-sdk/smithy-client';
import { Comparator, ConditionBuilderFunc, ConditionFunc } from './types.mjs';
export type DynamoDBType = 'S' | 'SS' | 'M' | 'L' | 'N' | 'NS' | 'BOOL' | 'B' | 'BS' | 'NULL';
/**
 * Wrap given conditions into braces with AND.
 *
 * @param conditions the list of conditions
 */
export declare const and: (...conditions: ConditionBuilderFunc[]) => ConditionBuilderFunc;
/**
 * Wrap given conditions into braces with OR.
 *
 * @param conditions the list of conditions
 */
export declare const or: (...conditions: ConditionBuilderFunc[]) => ConditionBuilderFunc;
/**
 * Negates the given condition.
 *
 * @param condition the nested condition
 */
export declare const not: (condition: ConditionBuilderFunc) => ConditionBuilderFunc;
/**
 * Check if the attribute is either not defined or explicit null.
 */
export declare const nullOrUndefined: () => ConditionBuilderFunc;
/**
 * Check if attribute is explicit set to null.
 */
export declare const isNull: () => ConditionBuilderFunc;
/**
 * Performs a '=' check with given value.
 *
 * @param value the value to check against
 */
export declare const equal: ConditionFunc;
/**
 * Performs a '<>' check with given value.
 *
 * @param value the value to check against
 */
export declare const notEqual: ConditionFunc;
/**
 * Performs a '<' check with given value.
 *
 * @param value the value to check against
 */
export declare const lessThan: ConditionFunc;
/**
 * Performs a '<=' check with given value.
 *
 * @param value the value to check against
 */
export declare const lessThanOrEqual: ConditionFunc;
/**
 * Performs a '>' check with given value.
 *
 * @param value the value to check against
 */
export declare const greaterThan: ConditionFunc;
/**
 * Performs a '>=' check with given value.
 *
 * @param value the value to check against
 */
export declare const greaterThanOrEqual: ConditionFunc;
/**
 * Performs a 'BETWEEN' check with given from and to values.
 *
 * @param from the inclusive starting value
 * @param to the inclusive end value
 */
export declare const between: (from: Value, to: Value) => ConditionBuilderFunc;
/**
 * Performs an 'IN' check with given values. If no values are provided nothing will be evaluated.
 *
 * @param values list of values
 */
export declare const isIn: (...values: Value[]) => ConditionBuilderFunc;
/**
 * Checks if the attribute exists on an item.
 */
export declare const attributeExists: () => ConditionBuilderFunc;
/**
 * Checks if the attribute does not exist on an item.
 */
export declare const attributeNotExists: () => ConditionBuilderFunc;
/**
 * Check if the DynamoDB type equals the given type.
 * @param type the DynamoDB type
 */
export declare const attributeType: (type: DynamoDBType) => ConditionBuilderFunc;
/**
 * Check if the attribute starts with the given string.
 *
 * @param value the value to check against
 */
export declare const beginsWith: ConditionFunc;
/**
 * Check if a string or set (BS, NS, SS) contains the given value.
 *
 * @param value the value to check
 */
export declare const contains: ConditionFunc;
/**
 * Check if the size if the attribute matches the given comparator and operand.
 *
 * @param comparator the comparator to use
 * @param value the operand to evaluate against
 */
export declare const size: (comparator: Comparator, value: number) => ConditionBuilderFunc;