import type { TeamsCardProperties } from '../models.js';
/** Fluent builder for Teams card-level properties (width, mentions). */
export declare class TeamsCardPropertiesBuilder {
    private readonly properties;
    /** Sets the card width to Full. @returns The builder instance for method chaining. */
    withFullWidth(): this;
    /** Adds an @mention entity with auto-generated `<at>displayName</at>` text. @param displayName The user's display name. @param userId The Teams user ID. @returns The builder instance for method chaining. */
    addMention(displayName: string, userId: string): this;
    /** Builds and returns the configured Teams card properties. @returns The configured TeamsCardProperties. */
    build(): TeamsCardProperties;
}
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