/**
 * A single named slot's captured content, ready to be output into a
 * template — wrapped in HTML comment fragment markers the client
 * (assets/livewire.js) already knows how to morph.
 * PHP parity: Slot
 */
export declare class Slot {
    name: string;
    content: string;
    componentId: string;
    parentComponentId: string | null;
    constructor(name: string, content: string, componentId: string, parentComponentId?: string | null);
    getName(): string;
    getComponentId(): string;
    getParentId(): string | null;
    toHtml(): string;
    toString(): string;
}
/**
 * Encodes fragment metadata exactly like PHP's crc32()-based token and
 * `key=value|key2=value2` format — the client's parser
 * (assets/livewire.js:6653,6660) expects this exact shape.
 * PHP parity: Slot::wrapWithFragmentMarkers / encodeFragmentMetadata
 */
export declare function wrapWithFragmentMarkers(output: string, metadata: Record<string, string>): string;
/**
 * Minimal crc32 implementation matching PHP's crc32() output for the
 * exact same input string — the client only needs matching opening/closing
 * tokens, not a specific hash algorithm, but this mirrors PHP for parity.
 * PHP parity: crc32()
 */
export declare function crc32(str: string): number;