/**
 * Three side-by-side number fields, each with a short leading caption (e.g. X/Y/Z, R/G/B, or any strings).
 */
export type Vec3FieldOptions = {
    /** Caption shown before each value (three slots). */
    labels: readonly [string, string, string];
    /** When true, values are display-only (`readOnly` inputs, muted styling). */
    readOnly?: boolean;
    onChange?: () => void;
    /** Passed to each `<input type="number">` when set. */
    step?: string;
};
export type Vec3Field = {
    root: HTMLDivElement;
    inputs: [HTMLInputElement, HTMLInputElement, HTMLInputElement];
};
/**
 * One slot with the same DOM/classes as each column in {@link createVec3Field}
 * (`prop-vec3-field__slot` + label strip + `prop-vec3-field__input`).
 * Caller configures the input (step, disabled, listeners); this only builds the shell.
 */
export declare function createVec3StyleSlot(label: string, input: HTMLInputElement): HTMLDivElement;
/** Same shell as {@link createVec3StyleSlot} but for a `<select>` (texture enums, etc.). */
export declare function createVec3StyleSelectSlot(label: string, select: HTMLSelectElement): HTMLDivElement;
export declare function createVec3Field(options: Vec3FieldOptions): Vec3Field;