import { z } from 'zod';
/**
 * Represents an entity extracted from a text document.
 * @example QUANTITY, EVENT, ORGANIZATION, etc.
 */
export declare const EntitySchema: z.ZodObject<{
    type: z.ZodString;
    text: z.ZodString;
    score: z.ZodNumber;
    startOffset: z.ZodNumber;
    endOffset: z.ZodNumber;
}, "strip", z.ZodTypeAny, {
    type: string;
    text: string;
    score: number;
    startOffset: number;
    endOffset: number;
}, {
    type: string;
    text: string;
    score: number;
    startOffset: number;
    endOffset: number;
}>;
/**
 * The entity properties.
 */
export type EntityProps = z.infer<typeof EntitySchema>;
/**
 * Represents an entity extracted from a text document.
 * @example QUANTITY, EVENT, ORGANIZATION, etc.
 */
export declare class Entity {
    props: EntityProps;
    /**
     * Pos constructor.
     * @param props the properties of the part of speech.
     */
    constructor(props: EntityProps);
    /**
     * @returns the part of speech tag.
     */
    static from(data: any): Entity;
    /**
     * @returns the type of the entity.
     */
    type(): string;
    /**
     * @returns the text associated with the
     * entity.
     */
    text(): string;
    /**
     * @returns the confidence score associated with the
     * entity detection.
     */
    score(): number;
    /**
     * @returns the start offset of the entity.
     */
    startOffset(): number;
    /**
     * @returns the end offset of the entity.
     */
    endOffset(): number;
    /**
     * @returns a JSON representation of the entity.
     */
    toJSON(): {
        type: string;
        text: string;
        score: number;
        startOffset: number;
        endOffset: number;
    };
}