export declare type NoMeta = undefined;
export interface Message<Meta = NoMeta> {
    /**
     * Optional status. Spinner is not displayed if false.
     * @default true
     */
    active: boolean;
    /**
     * Optional removed status.
     * Message will not be written to stream and any existing message will be removed if true.
     * @default false
     */
    removed: boolean;
    /**
     * Optional text to display. If none is provided, the message name passed to put will be used.
     * @default `name`
     */
    text: string;
    /**
     * Optional additional information about this message. Can be used in render function, etc.
     * @default undefined
     * @example {@link https://github.com/adamjarret/twisters/tree/master/packages/examples-js/bin/render-meta.js | render-meta.js}
     */
    meta?: Meta;
    /**
     * Optional function used to get the display text for the message if provided.
     * @remarks The `spinnerFrame` param will be null if line buffer is disabled.
     * @returns text to be written to stream (or null to write nothing)
     * @example
     * {@link https://github.com/adamjarret/twisters/tree/master/packages/examples-js/bin/render.js render.js},
     * {@link https://github.com/adamjarret/twisters/tree/master/packages/examples-js/bin/render-meta.js render-meta.js},
     * {@link https://github.com/adamjarret/twisters/tree/master/packages/examples-js/bin/render-non-tty.js render-non-tty.js}
     */
    render: (message: Message<Meta>, spinnerFrame: string | null, name: string) => string | null;
}
export declare type MessageMap<Meta = NoMeta> = Map<string, Message<Meta>>;