import { IBBCodeAttributeOptions } from "./IBBCodeAttributeOptions.js";
/**
 * Represents an attribute of a bb-code.
 */
export declare class BBCodeAttribute {
    /**
     * A value indicating whether the attribute is required.
     */
    private required;
    /**
     * A value indicating if the value of the attribute - if not present - should be taken by the content of the bb-code.
     */
    private valueByContent;
    /**
     * The code that will be appended to the opening HTML-tag of the bb-code.
     *
     * `%s` will be replaced by the value of the attribute.
     */
    private code;
    /**
     * A regex-pattern for validating the value of the attribute.
     */
    private validationPattern;
    /**
     * Initializes a new instance of the {@link BBCodeAttribute `BBCodeAttribute`} class.
     *
     * @param options
     * The options of the attribute.
     */
    constructor(options: IBBCodeAttributeOptions);
    /**
     * Gets or sets a value indicating whether the attribute is required.
     */
    get Required(): boolean;
    /**
     * @inheritdoc
     */
    set Required(value: boolean);
    /**
     * Gets or sets a value indicating if the value of the attribute - if not present - should be taken by the content of the bb-code.
     */
    get ValueByContent(): boolean;
    /**
     * @inheritdoc
     */
    set ValueByContent(value: boolean);
    /**
     * Gets or sets the code that will be appended to the opening HTML-tag of the bb-code.
     *
     * %s will be replaced by the value of the attribute.
     */
    get Code(): string;
    /**
     * @inheritdoc
     */
    set Code(value: string);
    /**
     * Gets or sets a regex-pattern for validating the value of the attribute.
     */
    get ValidationPattern(): RegExp;
    /**
     * @inheritdoc
     */
    set ValidationPattern(value: RegExp);
}