import { StyleConditionDescriptor, StyleConditionInput, StyleShowInput } from './style-appearance-types';
export declare function normalizeFeatureIdAttribute(featureIdAttribute?: number): number;
export declare function resolveStyleConditionContent(input: StyleConditionInput): string | boolean;
export declare function resolveStyleConditionFeatureIdAttribute(input: StyleConditionInput): number;
export declare function resolveShowContent(show?: StyleShowInput): string | undefined;
export declare function resolveShowFeatureIdAttribute(show?: StyleShowInput): number;
export declare function isStyleConditionDescriptor(value: unknown): value is StyleConditionDescriptor;
/** 从 style / highlight 配置中收集用到的 featureIdAttribute（去重、升序） */
export declare function collectFeatureIdAttributesFromStyleConfig(config: {
    show?: StyleShowInput;
    conditions?: readonly [StyleConditionInput, unknown][];
}): number[];
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