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- import { Serializable } from "./load/serializable.js";
- import { type BaseMessage } from "./messages/base.js";
- import { HumanMessage } from "./messages/human.js";
- export interface BasePromptValueInterface extends Serializable {
- toString(): string;
- toChatMessages(): BaseMessage[];
- }
- export interface StringPromptValueInterface extends BasePromptValueInterface {
- value: string;
- }
- export interface ChatPromptValueInterface extends BasePromptValueInterface {
- messages: BaseMessage[];
- }
- /**
- * Base PromptValue class. All prompt values should extend this class.
- */
- export declare abstract class BasePromptValue extends Serializable implements BasePromptValueInterface {
- abstract toString(): string;
- abstract toChatMessages(): BaseMessage[];
- }
- /**
- * Represents a prompt value as a string. It extends the BasePromptValue
- * class and overrides the toString and toChatMessages methods.
- */
- export declare class StringPromptValue extends BasePromptValue implements StringPromptValueInterface {
- static lc_name(): string;
- lc_namespace: string[];
- lc_serializable: boolean;
- value: string;
- constructor(value: string);
- toString(): string;
- toChatMessages(): HumanMessage[];
- }
- /**
- * Interface for the fields of a ChatPromptValue.
- */
- export interface ChatPromptValueFields {
- messages: BaseMessage[];
- }
- /**
- * Class that represents a chat prompt value. It extends the
- * BasePromptValue and includes an array of BaseMessage instances.
- */
- export declare class ChatPromptValue extends BasePromptValue implements ChatPromptValueInterface {
- lc_namespace: string[];
- lc_serializable: boolean;
- static lc_name(): string;
- messages: BaseMessage[];
- constructor(messages: BaseMessage[]);
- constructor(fields: ChatPromptValueFields);
- toString(): string;
- toChatMessages(): BaseMessage[];
- }
- export type ImageContent = {
- /** Specifies the detail level of the image. */
- detail?: "auto" | "low" | "high";
- /** Either a URL of the image or the base64 encoded image data. */
- url: string;
- };
- export interface ImagePromptValueFields {
- imageUrl: ImageContent;
- }
- /**
- * Class that represents an image prompt value. It extends the
- * BasePromptValue and includes an ImageURL instance.
- */
- export declare class ImagePromptValue extends BasePromptValue {
- lc_namespace: string[];
- lc_serializable: boolean;
- static lc_name(): string;
- imageUrl: ImageContent;
- /** @ignore */
- value: string;
- constructor(fields: ImagePromptValueFields);
- constructor(fields: ImageContent);
- toString(): string;
- toChatMessages(): HumanMessage[];
- }
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