import type { AxisConfig } from './types';
export type Sides = {
    t?: number;
    b?: number;
    l?: number;
    r?: number;
};
export declare const LABEL_GAP_DEFAULT = 30;
export declare function y2_axis_label_x(axis: AxisConfig, width: number, pad_r: number, max_tick_width: number): number;
export declare const filter_padding: (padding: Partial<Sides> | undefined | null, defaults: Required<Sides>) => Required<Sides>;
export declare function measure_text_width(text: string, font?: string): number;
export declare function measure_full_footprint(el: HTMLElement): {
    width: number;
    height: number;
};
export interface AutoPaddingConfig {
    padding: Partial<Sides>;
    default_padding: Required<Sides>;
    x2_axis?: AxisConfig & {
        tick_values?: (string | number)[];
    };
    y_axis?: AxisConfig & {
        tick_values?: (string | number)[];
    };
    y2_axis?: AxisConfig & {
        tick_values?: (string | number)[];
    };
    label_gap?: number;
}
export declare const measure_max_tick_width: (ticks: (string | number)[], format?: string) => number;
export declare const TICK_LABEL_HEIGHT = 16;
export declare const AXIS_LABEL_HEIGHT = 20;
export declare const calc_auto_padding: ({ padding, default_padding, x2_axis, y_axis, y2_axis, label_gap, }: AutoPaddingConfig) => Required<Sides>;
export declare function constrain_tooltip_position(cursor_x: number, cursor_y: number, tooltip_width: number, tooltip_height: number, viewport_width: number, viewport_height: number, options?: {
    offset?: number;
    offset_x?: number;
    offset_y?: number;
}): {
    x: number;
    y: number;
};
export interface Rect {
    x: number;
    y: number;
    width: number;
    height: number;
}
export declare const pad_rect: (rect: Rect, padding: number) => Rect;
export declare const centered_rect: (center_x: number, top_y: number, width: number, height: number) => Rect;
export declare const rect_within_rect: (rect: Rect, bounds: Rect) => boolean;
export interface ElementPlacementConfig {
    plot_bounds: Rect;
    element_size: {
        width: number;
        height: number;
    };
    element?: HTMLElement | null;
    axis_clearance?: number;
    exclude_rects?: Rect[];
    points: {
        x: number;
        y: number;
    }[];
    grid_resolution?: number;
}
export interface ElementPlacementResult {
    x: number;
    y: number;
    score: number;
}
export declare const rects_overlap: (r1: Rect, r2: Rect) => boolean;
export declare function sample_series_obstacle_points(pixel_points: {
    x: number;
    y: number;
}[], draws_line: boolean, step: number): {
    x: number;
    y: number;
}[];
export declare function compute_element_placement(config: ElementPlacementConfig): ElementPlacementResult;