/**
 * Opik environment variable names
 * Use these constants instead of hardcoding strings to ensure consistency
 */
export declare const OPIK_ENV_VARS: {
    /** API key for authentication */
    readonly API_KEY: "OPIK_API_KEY";
    /** Base URL override (e.g., http://localhost:5173/api) */
    readonly URL_OVERRIDE: "OPIK_URL_OVERRIDE";
    /** Workspace name */
    readonly WORKSPACE: "OPIK_WORKSPACE";
    /** Project name (defaults to "Default Project" if not set) */
    readonly PROJECT_NAME: "OPIK_PROJECT_NAME";
};
/**
 * All Opik environment variable names as an array
 * Useful for validation, display, or batch operations
 */
export declare const OPIK_ENV_VAR_NAMES: ("OPIK_API_KEY" | "OPIK_URL_OVERRIDE" | "OPIK_WORKSPACE" | "OPIK_PROJECT_NAME")[];
/**
 * Type-safe helper to check if a string is a valid Opik env var name
 */
type OpikEnvVar = (typeof OPIK_ENV_VARS)[keyof typeof OPIK_ENV_VARS];
export declare function isOpikEnvVar(key: string): key is OpikEnvVar;
/**
 * Default values for Opik environment variables
 */
export declare const OPIK_ENV_VAR_DEFAULTS: {
    readonly OPIK_PROJECT_NAME: "Default Project";
};
/**
 * Human-readable descriptions for each environment variable
 */
export declare const OPIK_ENV_VAR_DESCRIPTIONS: {
    readonly OPIK_API_KEY: "Your Opik API key for authentication";
    readonly OPIK_URL_OVERRIDE: "Base URL for Opik API (Cloud: https://www.comet.com/opik/api, Local: http://localhost:5173/api)";
    readonly OPIK_WORKSPACE: "Your Opik workspace name";
    readonly OPIK_PROJECT_NAME: "Project name for organizing traces (defaults to \"Default Project\")";
};
export {};
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