UI Headless Runtime API - v1.0.0
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    Interface OpenSnapshot

    Immutable shared snapshot for openable components.

    interface OpenSnapshot {
        contentId: string;
        controlled: boolean;
        open: boolean;
        position: PositionResult | null;
        role: string;
        topmost: boolean;
    }

    Hierarchy (View Summary)

    Index

    Properties

    contentId controlled open position role topmost

    Properties

    contentId: string

    Stable content ID used by trigger relationships.

    controlled: boolean

    Whether state ownership belongs to the consumer.

    open: boolean

    Current externally observable open state.

    position: PositionResult | null

    Latest calculated coordinates, or null before positioning.

    role: string

    Semantic role for consumer-rendered content.

    topmost: boolean

    Whether this overlay is the topmost overlay in its owner document.

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