import { type BlockTypeValue, type ElementInterface, type StyleValue } from './types.js';
import type { Text, Option, Confirmation } from './composition.js';
/**
 * Button element.
 */
export declare class Button implements ElementInterface {
    readonly type: "button";
    actionId: string;
    text: Text;
    url?: string;
    value?: string;
    style?: StyleValue;
    confirm?: Confirmation;
    constructor(actionId: string, text: Text);
    getValidBlocks(): BlockTypeValue[];
    toJSON(): Record<string, unknown>;
}
/**
 * Checkbox group element.
 */
export declare class Checkbox implements ElementInterface {
    readonly type: "checkboxes";
    actionId: string;
    options: Option[];
    initialOptions?: Option[];
    confirm?: Confirmation;
    constructor(actionId: string);
    getValidBlocks(): BlockTypeValue[];
    toJSON(): Record<string, unknown>;
}
/**
 * Date picker element.
 */
export declare class DatePicker implements ElementInterface {
    readonly type: "datepicker";
    actionId: string;
    placeholder?: Text;
    initialDate?: string;
    confirm?: Confirmation;
    constructor(actionId: string);
    getValidBlocks(): BlockTypeValue[];
    toJSON(): Record<string, unknown>;
}
/**
 * Image element (not a block — used within Section/Context).
 */
export declare class ImageElement implements ElementInterface {
    readonly type: "image";
    imageUrl: string;
    altText: string;
    constructor(imageUrl: string, altText: string);
    getValidBlocks(): BlockTypeValue[];
    toJSON(): Record<string, unknown>;
}
/**
 * Plain text input element.
 */
export declare class PlainTextInput implements ElementInterface {
    readonly type: "plain_text_input";
    actionId: string;
    placeholder?: Text;
    initialValue?: string;
    multiline: boolean;
    minLength?: number;
    maxLength?: number;
    constructor(actionId: string);
    getValidBlocks(): BlockTypeValue[];
    toJSON(): Record<string, unknown>;
}
/**
 * Multi-select menu element.
 */
export declare class MultiSelect implements ElementInterface {
    readonly type: "multi_static_select";
    actionId: string;
    options: Option[];
    initialOptions?: Option[];
    placeholder?: Text;
    confirm?: Confirmation;
    constructor(actionId: string);
    getValidBlocks(): BlockTypeValue[];
    toJSON(): Record<string, unknown>;
}
/**
 * Overflow menu element.
 */
export declare class Overflow implements ElementInterface {
    readonly type: "overflow";
    actionId: string;
    options: Option[];
    confirm?: Confirmation;
    constructor(actionId: string);
    getValidBlocks(): BlockTypeValue[];
    toJSON(): Record<string, unknown>;
}
/**
 * Radio button group element.
 */
export declare class RadioButton implements ElementInterface {
    readonly type: "radio_buttons";
    actionId: string;
    options: Option[];
    initialOption?: Option;
    confirm?: Confirmation;
    constructor(actionId: string);
    getValidBlocks(): BlockTypeValue[];
    toJSON(): Record<string, unknown>;
}
/**
 * Select menu element.
 */
export declare class Select implements ElementInterface {
    readonly type: "static_select";
    actionId: string;
    options: Option[];
    initialOption?: Option;
    placeholder?: Text;
    confirm?: Confirmation;
    constructor(actionId: string);
    getValidBlocks(): BlockTypeValue[];
    toJSON(): Record<string, unknown>;
}
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