import { KeysOf } from "../../typeUtils";
import { TaggedModel } from "../types";
import { DynamoDBExpression } from "./DynamoDBExpression";
export type Operator = "=" | "<>" | "<" | "<=" | ">" | ">=";
/** Builds and executes parameters for a DynamoDB Query operation */
export declare class QueryExpressionBuilder<T extends TaggedModel> {
    private statements;
    private attributeNames;
    private attributeValues;
    where(attribute: KeysOf<T>, operator: Operator, value: any): this;
    or(attribute: KeysOf<T>, operator: Operator, value: any): this;
    and(attribute: KeysOf<T>, operator: Operator, value: any): this;
    andBetween(attribute: KeysOf<T>, start: any, end: any): this;
    attributeExists(name: KeysOf<T>): this;
    attributeNotExists(name: KeysOf<T>): this;
    orAttributeExists(name: KeysOf<T>): this;
    orAttributeNotExists(name: KeysOf<T>): this;
    andAttributeExists(name: KeysOf<T>): this;
    andAttributeNotExists(name: KeysOf<T>): this;
    build(): DynamoDBExpression;
    protected addAttributeName(name: string): string;
    protected addAttributeValue(value: any): string;
    protected addStatement(statement: string): void;
    private addCondition;
    private addBetweenCondition;
}
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