import { FieldsModifier } from './_types';
export declare const filename: {
    (name: string): FieldsModifier;
};
export declare const timeout: {
    (timeout: number): FieldsModifier;
};
export declare const delay: {
    (delay: number): FieldsModifier;
};
export declare const webhook: {
    (url: string, timeout?: number): FieldsModifier;
};
export declare const googleChromeRpccBufferSize: {
    (googleChromeRpccBufferSize: number): FieldsModifier;
};
export declare const range: {
    (range: string): FieldsModifier;
};
export declare const scale: {
    (scale: number): FieldsModifier;
};