import { VercelCore } from "../core.js";
import { RequestOptions } from "../lib/sdks.js";
import { ConnectionError, InvalidRequestError, RequestAbortedError, RequestTimeoutError, UnexpectedClientError } from "../models/httpclienterrors.js";
import { ResponseValidationError } from "../models/responsevalidationerror.js";
import { SDKValidationError } from "../models/sdkvalidationerror.js";
import { UpdateFlagRequest, UpdateFlagResponseBody } from "../models/updateflagop.js";
import { VercelError } from "../models/vercelerror.js";
import { APIPromise } from "../types/async.js";
import { Result } from "../types/fp.js";
/**
 * Update a flag
 *
 * @remarks
 * Update an existing feature flag. This endpoint supports partial updates, allowing you to modify specific properties like variants, environments, or state without providing the full flag configuration.
 *
 * If set, this operation will use {@link Security.bearerToken} from the global security.
 */
export declare function featureFlagsUpdateFlag(client: VercelCore, request: UpdateFlagRequest, options?: RequestOptions): APIPromise<Result<UpdateFlagResponseBody | undefined, VercelError | ResponseValidationError | ConnectionError | RequestAbortedError | RequestTimeoutError | InvalidRequestError | UnexpectedClientError | SDKValidationError>>;
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