/**
 * This file was auto-generated by Fern from our API Definition.
 */
/**
 * * `STRING` - STRING
 * * `NUMBER` - NUMBER
 * * `JSON` - JSON
 * * `CHAT_HISTORY` - CHAT_HISTORY
 * * `SEARCH_RESULTS` - SEARCH_RESULTS
 * * `ERROR` - ERROR
 * * `ARRAY` - ARRAY
 *
 * * `FUNCTION_CALL` - FUNCTION_CALL
 * * `AUDIO` - AUDIO
 * * `VIDEO` - VIDEO
 * * `IMAGE` - IMAGE
 * * `DOCUMENT` - DOCUMENT
 * * `NULL` - NULL
 * * `THINKING` - THINKING
 * * `REFERENCE` - REFERENCE
 */
export type VellumVariableType = "STRING" | "NUMBER" | "JSON" | "CHAT_HISTORY" | "SEARCH_RESULTS" | "ERROR" | "ARRAY" | "FUNCTION_CALL" | "AUDIO" | "VIDEO" | "IMAGE" | "DOCUMENT" | "NULL" | "THINKING" | "REFERENCE";
export declare const VellumVariableType: {
    readonly String: "STRING";
    readonly Number: "NUMBER";
    readonly Json: "JSON";
    readonly ChatHistory: "CHAT_HISTORY";
    readonly SearchResults: "SEARCH_RESULTS";
    readonly Error: "ERROR";
    readonly Array: "ARRAY";
    readonly FunctionCall: "FUNCTION_CALL";
    readonly Audio: "AUDIO";
    readonly Video: "VIDEO";
    readonly Image: "IMAGE";
    readonly Document: "DOCUMENT";
    readonly Null: "NULL";
    readonly Thinking: "THINKING";
    readonly Reference: "REFERENCE";
};