export interface ProjectResolutionError {
    error: 'project_resolution_failed';
    message: string;
    hint: string;
}
export type FrictionSource = 'human' | 'agent';
export type FrictionFrequency = 'once' | 'occasional' | 'frequent' | 'constant';
export type FrictionImpact = 'low' | 'medium' | 'high' | 'blocking';
export type FrictionStatus = 'open' | 'acknowledged' | 'solving' | 'resolved' | 'wontfix';
export interface LogFrictionInput {
    projectId?: string;
    context: string;
    description: string;
    frequency?: FrictionFrequency;
    impact?: FrictionImpact;
    source?: FrictionSource;
    tags?: string[];
    workaround?: string;
}
export interface LogFrictionOutput {
    id: string;
    timestamp: string;
    path: string;
    context: string;
    signal_strength: number;
}
export interface ListFrictionInput {
    projectId?: string;
    context?: string;
    status?: FrictionStatus;
    min_impact?: FrictionImpact;
    source?: FrictionSource;
    limit?: number;
}
export interface FrictionSummary {
    id: string;
    context: string;
    description: string;
    frequency: FrictionFrequency;
    impact: FrictionImpact;
    status: FrictionStatus;
    signal_count: number;
    last_reported: string;
    tags: string[];
}
export interface ListFrictionOutput {
    friction: FrictionSummary[];
    total_count: number;
}
export interface ResolveFrictionInput {
    projectId?: string;
    friction_id: string;
    resolution: string;
    solution_ref?: string;
    status?: 'resolved' | 'wontfix';
}
export interface ResolveFrictionOutput {
    id: string;
    path: string;
    status: FrictionStatus;
    resolved_at: string;
}
export interface BumpFrictionInput {
    projectId?: string;
    friction_id: string;
    source?: FrictionSource;
    note?: string;
}
export interface BumpFrictionOutput {
    id: string;
    signal_count: number;
    last_reported: string;
}
export declare function logFriction(input: LogFrictionInput): Promise<LogFrictionOutput | ProjectResolutionError>;
export declare function listFriction(input: ListFrictionInput): Promise<ListFrictionOutput | ProjectResolutionError>;
export declare function resolveFriction(input: ResolveFrictionInput): Promise<ResolveFrictionOutput | ProjectResolutionError | {
    error: string;
}>;
export declare function bumpFriction(input: BumpFrictionInput): Promise<BumpFrictionOutput | ProjectResolutionError | {
    error: string;
}>;
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