export interface Expression<T> {
    /**
     * @return true if the given object is a literal expression.
     */
    isConstant(): boolean;
    /**
     * @return true if the given object is a path expression.
     */
    isPath(): boolean;
}
export interface ExpressionAccessor {
    setExpression(expression: Expression<any>): any;
}
/**
 * Refers to a property of an object.
 */
export interface Path<T> extends Expression<T> {
    /**
     * @return string representation of this expression.
     */
    toString(): string;
    /**
     * @return the value of this path if it is bound to an data object (see {@link BeanBinding}.
     */
    getValue(): any;
    /**
     * Sets a new value for the given path.
     *
     * @param newValue
     */
    setValue(value: any): any;
    /**
     * @return name to use for forFormElement elements to uniquely identity this path. This current corresponds
     * to toString, will later be extended to include resource$ identifiers to support complex forFormElement with
     * multiple editors (TODO).
     */
    toFormName(): string;
    /**
     * Underlying resource holding the values.
     *
     * @returns {any}
     */
    getResource(): any;
    /**
     * Pointer of this path from the resource.
     */
    getSourcePointer(): String;
    /**
     * @returns {string} path used for sorting and filtering (excludes any 'relationships' and 'attributes' in the path)
     */
    toQueryPath(): string;
}
export declare const OPERATION_EQ = "EQ";
export declare const OPERATION_NEQ = "NEQ";
export declare const OPERATION_LIKE = "LIKE";
export declare const OPERATION_GT = "GT";
export declare const OPERATION_LT = "LT";
export declare const OPERATION_GE = "GE";
export declare const OPERATION_LE = "LE";
/**
 * Base implementation for a {@link Expression} providing a EQ and NEQ operation.
 */
export declare class SimpleExpression<T> implements Expression<T> {
    eq(right: T): BooleanExpression;
    neq(right: T): BooleanExpression;
    isConstant(): boolean;
    isPath(): boolean;
}
/**
 * Base implementation for a {@link Expression} providing equals and compare operations.
 */
export declare abstract class ComparableExpression<T> extends SimpleExpression<T> {
    lt(right: T): BooleanExpression;
    le(right: T): BooleanExpression;
    gt(right: T): BooleanExpression;
    ge(right: T): BooleanExpression;
}
/**
 * Base implementation for {@link Expression} bound to a string.
 */
export declare abstract class StringExpression extends ComparableExpression<string> {
    like(right: string): BooleanExpression;
}
/**
 * Base implementation for {@link Expression} bound to a number.
 */
export declare abstract class NumberExpression extends ComparableExpression<number> {
}
/**
 * Base implementation for {@link Expression} bound to a boolean.
 */
export declare abstract class BooleanExpression extends ComparableExpression<boolean> {
}
/**
 * Represents a boolean operation comparing two expressions with the provided operation.
 */
export declare class BooleanOperation extends BooleanExpression {
    operation: string;
    expressions: Expression<any>[];
    constructor(operation: string, left: Expression<any>, right: Expression<any>);
}
/**
 * Helper methods to create expressions.
 */
export declare class ExpressionFactory {
    static toBeanPath<T>(object: any, attributeNames: Array<string>): BeanPath<any>;
    static toLiteral<T>(value: any): Constant<T>;
    static concat(parent: Expression<any>, value1: string): string;
}
/**
 * Represents a constant expression.
 */
export interface Constant<T> extends Expression<T> {
    value: T;
}
export declare class BooleanConstant extends BooleanExpression implements Constant<boolean> {
    value: boolean;
    constructor(value: boolean);
    isConstant(): boolean;
    toString(): string;
}
export declare class NumberConstant extends NumberExpression implements Constant<number> {
    value: number;
    constructor(literal: number);
    isConstant(): boolean;
    toString(): string;
}
export declare class StringConstant extends StringExpression implements Constant<string> {
    value: string;
    constructor(value: string);
    isConstant(): boolean;
    toString(): string;
}
/**
 * Represents a path accessing a object property.
 */
export declare class BeanPath<T> extends SimpleExpression<T> implements Path<T> {
    parentPath: BeanPath<any>;
    private property;
    constructor(parentPath: BeanPath<any>, property?: string);
    protected add<P extends Path<any>>(path: P): P;
    protected createString(property: string): StringPath;
    protected createBoolean(property: string): BooleanPath;
    protected createNumber(property: string): NumberPath;
    toString(): string;
    isPath(): boolean;
    getValue(): any;
    setValue(newValue: any): any;
    getResource(): any;
    toFormName(): string;
    getSourcePointer(): string;
    toQueryPath(): string;
}
/**
 * Represents a path accessing a string property.
 */
export declare class StringPath extends StringExpression implements Path<string> {
    private parent;
    private property;
    constructor(parent: BeanPath<any>, property: string);
    toString(): string;
    isPath(): boolean;
    getValue(): any;
    setValue(newValue: any): Error;
    toFormName(): string;
    getResource(): any;
    getSourcePointer(): string;
    toQueryPath(): string;
}
export declare class ArrayPath<Q extends Expression<T>, T> extends SimpleExpression<Array<T>> implements Path<Array<T>> {
    private parent;
    private property;
    private _referenceType;
    constructor(parent: BeanPath<any>, property: string, _referenceType: new (...args: any[]) => Q);
    getElement(index: number): Q;
    toString(): string;
    isPath(): boolean;
    isConstant(): boolean;
    getValue(): any;
    setValue(newValue: any): Error;
    toFormName(): string;
    getResource(): any;
    getSourcePointer(): string;
    toQueryPath(): string;
}
export declare class MapPath<Q extends Expression<T>, T> extends SimpleExpression<Array<T>> implements Path<Array<T>> {
    private parent;
    private property;
    private _referenceType;
    constructor(parent: BeanPath<any>, property: string, _referenceType: new (...args: any[]) => Q);
    getElement(key: any): Q;
    toString(): string;
    isPath(): boolean;
    isConstant(): boolean;
    getValue(): any;
    setValue(newValue: any): Error;
    toFormName(): string;
    getResource(): any;
    getSourcePointer(): string;
    toQueryPath(): string;
}
/**
 * Represents a path accessing a number property.
 */
export declare class NumberPath extends NumberExpression implements Path<number> {
    private parent;
    private property;
    constructor(parent: BeanPath<any>, property: string);
    toString(): string;
    isPath(): boolean;
    getValue(): any;
    setValue(newValue: any): Error;
    toFormName(): string;
    getResource(): any;
    getSourcePointer(): string;
    toQueryPath(): string;
}
/**
 * Represents a path accessing a boolean property.
 */
export declare class BooleanPath extends BooleanExpression implements Path<boolean> {
    private parent;
    private property;
    constructor(parent: BeanPath<any>, property: string);
    toString(): string;
    isPath(): boolean;
    getValue(): any;
    setValue(newValue: any): Error;
    toFormName(): string;
    getResource(): any;
    getSourcePointer(): string;
    toQueryPath(): string;
}
/**
 * Represents a direct refresh to object. Sits at the root of an expression chain.
 */
export declare class BeanBinding extends BeanPath<any> {
    bean: any;
    constructor(bean: any);
    toString(): string;
    getValue(): any;
    setValue(value: any): void;
    getResource(): any;
}