import { RemoteComponentRendererProps, RemoteTextRendererProps } from '@mittwald/remote-dom-react/host';
import { ReactNode } from 'react';
export declare function isRemoteComponentRendererProps(props: unknown): props is RemoteComponentRendererProps;
/**
 * The text `children` are _themselves_ — plain strings and numbers locally,
 * `RemoteTextRenderer` elements remotely — joined and trimmed. `undefined` when
 * there is none.
 *
 * Text inside an element child is deliberately left out, because it belongs to
 * that element rather than to the component being described:
 * `<Option>Millennium Falcon <Badge>Latest</Badge></Option>` is the option
 * "Millennium Falcon", not "Millennium Falcon Latest". A fragment is grouping
 * rather than rendered output, so this looks through it.
 *
 * Use this over {@link extractTextFromFirstChild} when the question is "what
 * does this read as", not "are the children one single text node".
 */
export declare const extractTextFromChildren: (children: ReactNode) => string | undefined;
/**
 * Whether `children` render any text of their own — what `Button` and `Link`
 * ask to tell a labelled control from an icon-only one. The same reading as
 * {@link extractTextFromChildren}, so fragments are transparent and children
 * that are only whitespace do not count as a label.
 */
export declare const containsTextChild: (children: ReactNode) => boolean;
/**
 * The text of `children` when they are exactly one text node — locally a
 * string, remotely a `RemoteTextRenderer` element. `undefined` for anything
 * else, including a single string next to anything at all.
 *
 * That strictness is the point for its callers: `Markdown` takes it as the
 * markdown source, and `Initials` and `Truncate` operate on the whole content.
 * For "what does this read as", use {@link extractTextFromChildren}.
 */
export declare const extractTextFromFirstChild: (children: ReactNode) => string | undefined;
export declare function isRemoteTextRenderProps(props: unknown): props is RemoteTextRendererProps;