export declare class PropertiesBuilder {
    private _properties;
    private MAX_PROPERTIES_COUNT;
    private MAX_PROPERTY_KEY_LENGTH;
    contains(key: string): boolean;
    remove(target: string | Map<string, any>): this;
    compute(key: string, remapping: (mapper: any) => any): void;
    add(key: string, value: any, setOnce?: boolean): this;
    addProperties(properties: Map<string, any>, setOnce?: boolean): this;
    build(): Map<string, any>;
}