import type { MarkStyleProps, PlotState, ScaledDataRecord } from '../types.js';
import type { ScaleName, ChannelName, ScaledChannelName, ChannelAccessor, DataRow, RawValue, DataRecord, ConstantAccessor } from '../types.js';
type ChannelAlias = {
    channel: ScaledChannelName;
};
export declare function resolveProp<T>(accessor: ConstantAccessor<T>, datum: DataRecord | null, _defaultValue?: T | null): T | null;
type ChannelOptions = {
    value: ChannelAccessor;
    scale?: ScaleName | null;
    channel?: ScaledChannelName | null;
};
export declare function toChannelOption(name: ScaledChannelName, channel: ChannelAccessor | ChannelAlias): ChannelOptions;
export declare function resolveChannel(channel: ChannelName, datum: DataRow, channels: Partial<Record<ChannelName, ChannelAccessor | ChannelAlias>>): RawValue;
export declare function resolveScaledStyleProps(datum: DataRecord, channels: Partial<Record<ScaledChannelName, ChannelAccessor>>, useScale: Record<ScaledChannelName, boolean>, plot: PlotState, defaultColorProp?: 'fill' | 'stroke' | null): any;
export declare function resolveScaledStyles(datum: DataRecord, channels: Partial<Record<ScaledChannelName, ChannelAccessor>>, useScale: Record<ScaledChannelName, boolean>, plot: PlotState, defaultColorProp?: 'fill' | 'stroke' | null): string;
export declare function resolveStyles(plot: PlotState, datum: ScaledDataRecord, channels: Partial<Record<ChannelName & MarkStyleProps, ChannelAccessor>>, defaultColorProp: "fill" | "stroke" | null | undefined, useScale: Record<ScaledChannelName, boolean>): [string | null, string | null];
export {};