import { Key, PID } from '../catalog';
import { AttributeInfo } from './attribute_info';
import { AID } from './interfaces';
/**
 * TensorEntityBuilder collects Attribute and Entity values that will later be
 * used to generate an Entity key which can be used to lookup the specific PID.
 *
 * For example, we might have a `cone` which is configured by `flavor` and
 * `size` dimensions.
 *
 * Adding the entity `cone` and the attributes `small` and `chocolate` will
 * allow us to generate a key which yields the PID for a `small chocolate cone`.
 */
export declare class TensorEntityBuilder {
    private readonly info;
    private pid;
    private readonly dimensionIdToAttribute;
    constructor(info: AttributeInfo);
    hasPID(): boolean;
    setPID(pid: PID): boolean;
    addAttribute(aid: AID): boolean;
    setAttribute(aid: AID): void;
    getKey(generateRegexKey: boolean): Key;
    /**
     * Iterator for PIDs of attributes that aren't associated with dimensions of
     * the entity's tensor. This includes all collected attributes in the cases
     * where the entity has not been set and where the entity is not associated
     * with a tensor.
     */
    getUnusedAttributes(): IterableIterator<AID>;
}