/**
 * Defines the resizing behavior of a grid track (column or row).
 * - `fluid`: The track size is calculated as a percentage of the container (using `fr` units).
 * - `static`: The track size is fixed in pixels or other absolute units.
 */
export type Mode = "fluid" | "static";
/**
 * Configuration for a grid track's size and constraints.
 */
export type SizeConstraint = {
    /** Minimum size in pixels. */
    minSize?: number;
    /** Maximum size in pixels. */
    maxSize?: number;
    /** Current size of the track. */
    size: number;
    /** Resizing mode for this track. */
    mode?: Mode;
};
/**
 * Represents a size value, which can be a CSS string, a number (pixels), or a constraint object.
 */
export type Size = string | number | SizeConstraint;
/**
 * Default configuration for grid columns and rows.
 */
export type GridDefaults = {
    /** Initial sizes for columns. */
    defaultColumns?: Array<Size>;
    /** Initial sizes for rows. */
    defaultRows?: Array<Size>;
};
/**
 * Represents a single column in the grid.
 */
export type Column = {
    /** The 0-based index of the column. */
    index: number;
    /** The size of the column (e.g., "1fr", "200px"). */
    size: string | number;
};
/**
 * Array of Column objects.
 */
export type Columns = Array<Column>;
/**
 * Represents a single row in the grid.
 */
export type Row = {
    /** The 0-based index of the row. */
    index: number;
    /** The size of the row. */
    size: string | number;
};
/**
 * Represents a grid entry with constraints but without the strict `size: number` requirement of `SizeConstraint`.
 * Used for internal state where size might be a string during initialization.
 */
export type GridEntry = Omit<SizeConstraint, "size"> & {
    /** The 0-based index of the entry. */
    index: number;
    /** The current size of the entry. */
    size: string | number;
};
/**
 * Array of Row objects.
 */
export type Rows = Array<Row>;
/**
 * Represents the current state of the grid, including all columns and rows.
 */
export type GridState = {
    /** List of column states. */
    columns: Array<GridEntry>;
    /** List of row states. */
    rows: Array<GridEntry>;
};
/**
 * Configuration object for initializing the grid.
 */
export type GridConfig = GridDefaults & {
    /** Number of columns. */
    columns?: number;
    /** Number of rows. */
    rows?: number;
};
/**
 * Helper type for defining default values for grid tracks.
 */
export type DefaultValue = {
    /** Default sizes for columns. */
    columns?: Array<Size>;
    /** Default sizes for rows. */
    rows?: Array<Size>;
};