/**
 * Renderer constants - extracted magic numbers for maintainability
 */
export declare const CAMERA_CONSTANTS: {
    /** Inertia damping factor (0-1), higher = more damping */
    readonly DAMPING_FACTOR: 0.92;
    /** Minimum velocity threshold for inertia */
    readonly MIN_VELOCITY_THRESHOLD: 0.001;
    /** First-person movement speed */
    readonly FIRST_PERSON_SPEED: 0.1;
    /** Orbit sensitivity (radians per pixel) */
    readonly ORBIT_SENSITIVITY: 0.01;
    /** Pan speed multiplier */
    readonly PAN_SPEED_MULTIPLIER: 0.001;
    /** Zoom sensitivity */
    readonly ZOOM_SENSITIVITY: 0.001;
    /** Maximum zoom delta per frame */
    readonly MAX_ZOOM_DELTA: 0.1;
    /** Minimum perspective camera distance from target */
    readonly MIN_PERSPECTIVE_DISTANCE: 0.00001;
    readonly DEFAULT_POSITION: {
        readonly x: 50;
        readonly y: 50;
        readonly z: 100;
    };
    readonly DEFAULT_TARGET: {
        readonly x: 0;
        readonly y: 0;
        readonly z: 0;
    };
    readonly DEFAULT_UP: {
        readonly x: 0;
        readonly y: 1;
        readonly z: 0;
    };
    readonly DEFAULT_FOV: number;
    readonly DEFAULT_NEAR: 0.1;
    readonly DEFAULT_FAR: 100000;
    /** Maximum near/far ratio for depth precision */
    readonly MAX_NEAR_FAR_RATIO: 10000;
    /** Near plane as percentage of distance */
    readonly NEAR_DISTANCE_FACTOR: 0.001;
    /** Far plane multiplier of distance */
    readonly FAR_DISTANCE_MULTIPLIER: 10;
    /** Minimum phi angle. Top preset uses this — keeps phi off the +Y pole. */
    readonly MIN_PHI: 0.01;
    /** Maximum phi angle. Bottom preset uses this — keeps phi off the −Y pole. */
    readonly MAX_PHI: number;
    /** Sin phi threshold for pole detection */
    readonly POLE_THRESHOLD: 0.05;
    /** Default animation duration in ms */
    readonly DEFAULT_ANIMATION_DURATION: 500;
    /** Quick animation duration in ms */
    readonly QUICK_ANIMATION_DURATION: 300;
    /** Distance multiplier for fitToBounds */
    readonly FIT_DISTANCE_MULTIPLIER: 2;
    /** Padding multiplier for frame selection */
    readonly FRAME_PADDING_MULTIPLIER: 1.2;
    /** Padding multiplier for zoom extent */
    readonly ZOOM_EXTENT_PADDING: 1.5;
    readonly ISOMETRIC_OFFSET: {
        readonly right: 0.6;
        readonly up: 0.5;
        readonly front: 0.6;
    };
};
export declare const PIPELINE_CONSTANTS: {
    /** Total uniform buffer size */
    readonly UNIFORM_BUFFER_SIZE: 224;
    /** Byte offset for flags in uniform buffer */
    readonly FLAGS_BYTE_OFFSET: 176;
    /** Default MSAA sample count */
    readonly DEFAULT_SAMPLE_COUNT: 4;
    /**
     * Depth/stencil format used by RenderPipeline. Switched from depth32float
     * to depth24plus-stencil8 when the 3D section work introduced a render
     * pass shared by the main opaque, the section-plane preview, and the 2D
     * overlay cap — WebGPU requires a single depth-stencil format across all
     * pipelines that write to the same pass attachment.
     */
    readonly DEPTH_FORMAT: "depth24plus-stencil8";
};
export declare const BATCH_CONSTANTS: {
    /** Safety factor for GPU buffer size — use 90% of device limit to leave headroom */
    readonly BUFFER_SIZE_SAFETY_FACTOR: 0.9;
    /** Fallback max buffer size when device limit is unavailable (256 MB) */
    readonly FALLBACK_MAX_BUFFER_SIZE: number;
    /** Bytes per vertex in the interleaved layout (pos3 + norm3 + entityId1 = 7 × 4) */
    readonly BYTES_PER_VERTEX: number;
    /** Bytes per index (uint32) */
    readonly BYTES_PER_INDEX: 4;
};
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