import * as i0 from '@angular/core';
import { InputSignal, OutputEmitterRef, WritableSignal, Signal } from '@angular/core';
import { VariantProps } from 'class-variance-authority';

type CodeBlockVariant = 'filled' | 'outlined';
/**
 * CVA variants for the code block container.
 *
 * @tokens `--color-muted`, `--color-foreground`,
 *         `--color-border`, `--color-border-subtle`,
 *         `--radius-card`, `--font-mono`
 */
declare const codeBlockVariants: (props?: {
    variant?: CodeBlockVariant;
}) => string;
type CodeBlockVariants = VariantProps<typeof codeBlockVariants>;

/**
 * Code block component for displaying code snippets with a language label
 * and copy-to-clipboard functionality.
 *
 * Renders plain monospace text in a styled container — no syntax highlighting.
 * The header bar shows an optional language label and a copy button that
 * provides visual feedback (checkmark icon for 2 seconds) after copying.
 *
 * @tokens `--color-muted`, `--color-muted-foreground`, `--color-muted-hover`,
 *         `--color-foreground`, `--color-border`, `--color-border-subtle`,
 *         `--color-ring`, `--color-success`,
 *         `--font-mono`, `--radius-card`
 *
 * @example Basic usage with language label
 * ```html
 * <com-code-block code="const x = 42;" language="TypeScript" />
 * ```
 *
 * @example Outlined variant
 * ```html
 * <com-code-block [code]="htmlSnippet" language="HTML" variant="outlined" />
 * ```
 */
declare class ComCodeBlock {
    /** The raw code string to display. */
    readonly code: InputSignal<string>;
    /** Language label shown in the header (e.g. 'TypeScript', 'HTML'). */
    readonly language: InputSignal<string | undefined>;
    /** Visual variant. */
    readonly variant: InputSignal<CodeBlockVariant>;
    /** Consumer CSS classes — merged with variant classes. */
    readonly userClass: InputSignal<string>;
    /** Emitted when code is successfully copied to clipboard. */
    readonly copied: OutputEmitterRef<void>;
    /** @internal Tracks copy feedback state. */
    protected readonly isCopied: WritableSignal<boolean>;
    /** @internal Computed host element classes. */
    protected readonly hostClasses: Signal<string>;
    private readonly clipboard;
    private readonly destroyRef;
    private copyTimeoutId;
    /** Copies the code to clipboard and shows feedback for 2 seconds. */
    protected copyToClipboard(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ComCodeBlock, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ComCodeBlock, "com-code-block", ["comCodeBlock"], { "code": { "alias": "code"; "required": true; "isSignal": true; }; "language": { "alias": "language"; "required": false; "isSignal": true; }; "variant": { "alias": "variant"; "required": false; "isSignal": true; }; "userClass": { "alias": "class"; "required": false; "isSignal": true; }; }, { "copied": "copied"; }, never, never, true, never>;
}

export { ComCodeBlock, codeBlockVariants };
export type { CodeBlockVariant, CodeBlockVariants };