import { Widget, WidgetConfig } from "../ui/Widget";
import { RenderingContext } from "../ui/RenderingContext";
import { Instance } from "../ui/Instance";
import { StringProp } from "../ui/Prop";
export interface DocumentTitleConfig extends WidgetConfig {
    /** Text value to be used for the document title. */
    value?: StringProp;
    /** Text value to be used for the document title. */
    text?: StringProp;
    /** Deprecated. Use `action: "append"` instead. */
    append?: boolean;
    /** How to combine the title with existing document title. Default is `append`. */
    action?: "append" | "replace" | "prepend";
    /** Separator used when appending or prepending to the title. Default is empty string. */
    separator?: StringProp;
}
export declare class DocumentTitle extends Widget<DocumentTitleConfig> {
    value?: StringProp;
    text?: StringProp;
    append?: boolean;
    action?: "append" | "replace" | "prepend";
    separator?: StringProp;
    constructor(config?: DocumentTitleConfig);
    init(): void;
    declareData(...args: Record<string, unknown>[]): void;
    explore(context: RenderingContext, instance: Instance): void;
    prepare(context: RenderingContext, instance: Instance): void;
    render(): null;
}
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