export interface CheckRect {
    x: number;
    y: number;
    width: number;
    height: number;
}
export interface PlaceholderHit {
    label: string;
    token: string;
    kind: "js-template" | "mustache" | "object" | "invalid-date" | "nan" | "empty-binding";
    snippet: string;
    rect: CheckRect;
}
export interface PlaceholderResult {
    rule: "placeholder";
    found: boolean;
    outcome: "pass" | "fail";
    scanned: number;
    truncated: boolean;
    hits: PlaceholderHit[];
}
export interface ImageHit {
    label: string;
    src: string;
    reason: "missing" | "loading" | "stretched";
    naturalWidth: number;
    naturalHeight: number;
    renderedWidth: number;
    renderedHeight: number;
    objectFit: string;
    rect: CheckRect;
}
export interface ImageHealthResult {
    rule: "image";
    found: boolean;
    outcome: "pass" | "fail";
    scanned: number;
    truncated: boolean;
    issues: ImageHit[];
}
export interface TruncationHit {
    label: string;
    axis: "x" | "y";
    how: "ellipsis" | "line-clamp";
    overflowPx: number;
    snippet: string;
    rect: CheckRect;
}
export interface TruncationResult {
    rule: "truncation";
    found: boolean;
    outcome: "pass" | "fail";
    scanned: number;
    truncated: boolean;
    hits: TruncationHit[];
}
export interface ContrastHit {
    label: string;
    ratio: number;
    required: number;
    color: string;
    background: string;
    largeText: boolean;
    snippet: string;
    outcome: "fail" | "unknown";
    rect: CheckRect;
}
export interface ContrastResult {
    rule: "contrast";
    found: boolean;
    outcome: "pass" | "fail" | "unknown";
    scanned: number;
    truncated: boolean;
    hits: ContrastHit[];
}
export interface ContentChecksRequest {
    placeholder: {
        scope: string | null;
    } | null;
    image: {
        scope: string | null;
        tolerance: number;
    } | null;
    truncation: {
        scope: string | null;
        tolerance: number;
    } | null;
    contrast: {
        scope: string | null;
    } | null;
}
export interface ContentChecksResult {
    placeholder?: PlaceholderResult;
    image?: ImageHealthResult;
    truncation?: TruncationResult;
    contrast?: ContrastResult;
}
export declare function buildContentChecks(): (request: ContentChecksRequest) => ContentChecksResult;
export interface ContentAnnotationBox {
    rect: CheckRect;
    label: string;
    color: string;
}
export declare function buildContentAnnotateScript(): (args: {
    boxes: ContentAnnotationBox[];
}) => void;
export declare function buildClearContentAnnotationsScript(): () => void;
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