import type { QuestionnaireItem } from 'fhir/r4';
/**
 * Get Questionnaire slider step value if its extension is present (http://hl7.org/fhir/StructureDefinition/questionnaire-sliderStepValue)
 *
 * @author Sean Fong
 */
export declare function getSliderStepValue(qItem: QuestionnaireItem): number | null;
/**
 * Get minimum value if its extension is present (http://hl7.org/fhir/StructureDefinition/minValue)
 * Only supports valueInteger and valueDecimal for now
 *
 * @author Sean Fong
 */
export declare function getMinValue(qItem: QuestionnaireItem): number | null;
/**
 * Get maximum value if its extension is present (http://hl7.org/fhir/StructureDefinition/maxValue)
 * Only supports valueInteger and valueDecimal for now
 *
 * @author Sean Fong
 */
export declare function getMaxValue(qItem: QuestionnaireItem): number | null;
export declare function getSliderMarks(minValue: number, maxValue: number, minLabel: string, maxLabel: string, stepValue: number): {
    value: number;
    label: number;
}[] | {
    value: number;
    label: string;
}[];